COMPUTER SCIENCE Tekie
Lost and Found
Acknowledgements
Academic Authors: Jatinder Kaur, Ayushi Jain, Chandani Goyal, Kashika Parnami, Anuj Gupta, Simran Singh
Creative Directors: Bhavna Tripathi, Mangal Singh Rana, Satish
Book Production: Rakesh Kumar Singh, Sakshi Gupta
Project Lead: Jatinder Kaur
VP, Learning: Abhishek Bhatnagar
All products and brand names used in this book are trademarks, registered trademarks or trade names of their respective owners.
© Uolo EdTech Private Limited
First published 2023
Second published 2024
Third published 2025
This book is sold subject to the condition that it shall not by way of trade or otherwise, be lent, resold, hired out, or otherwise circulated without the publisher’s prior written consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser and without limiting the rights under copyright reserved above, no part of this publication may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of both the copyright owner and the above-mentioned publisher of this book.
Book Title: Tekie Computer Science 2
ISBN: 978-81-978912-3-6
Published by Uolo EdTech Private Limited
Corporate Office Address:
85, Sector 44, Gurugram, Haryana 122003
CIN: U74999DL2017PTC322986
Illustrations and images: www.shutterstock.com, www.stock.adobe.com and www.freepik.com
All suggested use of the internet should be under adult supervision.
Preface
Standing at the forefront of the digital and AI revolution, the importance of coding and computational skills has reached unprecedented heights. In today’s professional landscape, whether it is in the fields of medicine, space exploration, education, science, or business, no sector remains untouched by this transformative wave. To thrive in the 21st century, basic computer literacy is no longer sufficient. Learners must evolve into ‘digital natives’ who can fluently read, write, and communicate in the languages that machines and AI comprehend.
Recognising this imperative, the National Education Policy (NEP) 2020 has strongly recommended the integration of coding skills, computational thinking, critical analysis, and problem-solving abilities into the curriculum. Moreover, forward-looking subjects like AI, Data Science, Computer Applications, and IT have been introduced as elective subjects from grade 9 onwards. It wouldn’t be surprising if further transformative measures are taken even at the elementary education level.
Uolo has introduced an innovative 360-degree program for a coding-focused computer science curriculum, known as Tekie, spanning grades 1 to 8. Tekie is a significant stride towards STEM education that aims at making learners future-ready—enabling them with skills needed in the ever-changing, technology-driven, and dynamic 21st-century world.
Tekie adopts a captivating and engaging approach to learning, in line with the recommendations of the National Curriculum Framework (NCF) 2023 and NEP 2020. The curriculum is ingeniously woven into the thrilling adventures of Mel and Conji, fictional characters from the enchanting land of Avora. The Mel and Conji series epitomises a modern method of acquiring computer science knowledge and honing computational thinking skills. The program includes chapters that provide a deeper immersion in computer science that both learners and teachers may find interesting.
Tekie is a technology-empowered curriculum that encompasses the following components:
• Main Content Books: These introduce learners to the theory of computer science and computer tools. Topics in AI are also covered, along with experiential and project-based learning resources.
• Coding Books: Specifically designed to nurture coding skills, this booklet aligns with the experiential and contextual learning approach of the coding curriculum, fostering critical thinking and problemsolving abilities.
• Animated Learning Videos: The program is powered by high-quality animation-based learning videos that deliver learning in an engaging manner.
• Teacher Manual: This valuable resource supports classroom instruction, ensuring that educators effectively deliver the curriculum.
Welcome to the captivating realm of Tekie! We hope you relish this educational journey as it equips you with the tools you need to thrive in the exciting and ever-changing world of the 21st century.
Product Package at a Glance
Tekie is an interactive, engaging, and experiential computer science program. It enables learners to attain mastery in computer science theory, new-age computer tools and coding. These are delivered through a storytelling-based coursebook and an experiential learningoriented coding book.
The learning experience is augmented by a digital platform that gives learners access to learning videos and experiential activities and projects that are rooted in the curriculum.
Engaging Textbooks
Comic Stories
Teacher Manual
ASSESSMENT
Test Papers
Additional Projects
Test-paper Generator
DIGITAL
Student and Teacher Platform
Learning Videos
Interactive Classroom and Homework Assignments
Byte-size Lesson Modules
Key NEP Recommendations
The National Education Policy (NEP) 2020, introduced by the Government of India, represents a transformative shift in the country’s education system. It aims to create a more holistic, dynamic and multidisciplinary approach to education. The NEP highlights the need for early development of computational thinking, coding, and digital literacy as vital skills for students’ holistic growth. UOLO is fully committed to actualising the vision of NEP 2020 by meticulously adhering to its outlined recommendations.
1. Focus on conceptual understanding
2. 21st century skills, values, and dispositions
3. Computational and critical thinking
4. Application in real life
5. Holistic and integrated learning
6. Experiential learning
7. Enjoyable and engaging
8. Artificial intelligence and coding concepts
9. Digital literacy and emerging technologies
10. Factoids on India
Competency-based Education
NEP Pages 12, 17 and 22
Teaching and Learning Pedagogy
NEP Pages 3, 5, 11, 12 and 56
National Pride
NEP Pages 15, 16 and 43
11. Assessment of core concepts and application skills Assessments
NEP Pages 12, 18 and 22
NEP Compliance: Features of Our Book
Project-based Learning
Engaging hands-on projects encouraging practical application of computer science and coding
Story-based Approach
Enchanting tales that bring learning themes to life, making education a captivating adventure 5 7
Latest Computer Tools
Equipping the students with future-ready skills through exposure to the latest tools and technologies
Fun with AI
Engaging activities to deepen students’ understanding and engagement with AI concepts
Competency-based Assessments
Test papers designed to evaluate understanding of core concepts and application of skills 3 4 11
Experiential Digital Projects
Projects on the digital platform to deepen understanding and develop essential practical skills
Collaborative Learning
Invites learners to discuss in small groups and present different perspectives
Engaging Learning Videos
Story-style learning videos that deliver concepts to students.
HOTS
Intellectually stimulating questions designed to encourage deep, analytical, critical, and evaluative thought process
Interactive Quizzes
Interactive quizzes that reinforce learning and assess students’ understanding
Think It Through
Probing question related to the concept that arouses curiosity
Test-paper Generator
Tool to create customised assessments that align with the curriculum and help evaluate students’ progress effectively.
Enjoyable and engaging
Artificial intelligence and coding concepts 9 Digital literacy and emerging technologies 10 Factoids on India 11 Assessment of core concepts and application skills
The NEP Tags
The National Education Policy (NEP) 2020 outlines essential skills, values, dispositions, and learning approaches necessary for students to thrive in the 21st century. This textbook identifies and incorporates these elements throughout its content, activities, and exercises. Referred to as “NEP Tags”, they are defined as follows:
INTEGRATED
Art Integration
Bringing creativity and fun into learning by combining music, drama, and art with other subjects CRITICAL
Sports Integration
Using games and sports in daily life to enrich computer-related activities
Holistic & Integrated Learning
Cross-curricular linkages to make the learning experience more holistic, joyful and meaningful
SDG
Critical Thinking
Coding opportunities to apply higher-order skills like algorithmic and computational thinking, and problem-solving
Hands-on Activity
Step-by-step activities to enable learners put theoretical knowledge into practice
Sustainable Development Goals
Applied computer science activities related to real-world issues and sustainable development
SEL Social Emotional Learning
Developing the skills to understand and manage emotions, build positive relationships with others and make responsible choices
GAMES
Mapping of Tools and Technologies Across Grades
The curriculum is thoughtfully mapped to introduce tools and technologies at each grade level, ensuring a smooth and progressive learning experience for students. Beginning with basic concepts in junior grades, the curriculum gradually incorporates more advanced tools and concepts in higher grades. This structured approach enables students to build on their knowledge each year, equipping them with essential skills in computer science and technology as they progress from grade 1 through grade 8. By the time they reach the higher grades, students are well-equipped to tackle complex projects, think critically, and apply their skills in real-world scenarios. The curriculum not only fosters technical proficiency but also encourages creativity, problem-solving, and a deeper understanding of the digital world.
1
Chapter at a Glance: Walkthrough of Key Elements
We
Natural and Human-Made Things
Theme Page: Lists the chapters covered under a unit
Computers
2
Natural and Human-Made Things
Comic Story: To introduce key concepts in a fun way
Did You Know: Interesting facts related to the topic
Discuss: A multi-faceted probing question related to the concept that arouses curiosity
4
3
Explore More: Short videos to find out more about the topic
Do It Yourself: Short exercises between the chapter to pause and assess comprehension
We see many things around us. Some things are present in nature like trees, animals, mountains, and rivers. These are called natural things
Computers
Some things are made by humans. These are called human-made things. Buildings, cars, and umbrella are some human-made things.
Let us now learn to draw shapes in Paint.
Drawing an Oval
Follow these steps to draw an oval:
1. Open Paint and click on the Shapes group.
2. Click on the Oval shape.
3. After selecting the shape, go to the drawing area.
4. Hold the left mouse button, drag the mouse, and then release the mouse button. You will see that an oval has been drawn.
Points to Remember Drawing in Paint
Project-based Learning: A project-based learning approach employed to foster an engaging and interactive learning experience Points to Remember: Summary of the chapter
and smartphones.
Chapter Checkup: Chapter-end practice exercises aligned to different levels of Bloom’s Taxonomy
Apply your learning: Intellectually stimulating questions designed for higher-order thinking and analysis
Have you ever given a command to the speaker at your home to play a song, and it plays it?
Do you know what these speakers are known as?
These special speakers, which follow your voice commands, are smart speakers Smart speakers can do this because of AI.
What is AI?
AI stands for Artificial Intelligence
Artificial Intelligence: Chapters on Artificial Intelligence to explore the fundamentals of AI, including its principles and applications in various fields
It gives machines the ability to learn and do things on their own, just like humans do
AI Around Us
• Talking Toys: Some toys use AI to understand your voice and respond with sounds, songs, or even short sentences.
A. Fill in the blanks.
• Robot Helpers: These machines help us with daily tasks at home. They can clean floors, cook food, etc. They do work in the same way as a human does.
Fun with AI: Engaging AI activities designed to help students explore and apply AI concepts in practical ways
AI devices are all around us. There are many types of machines that use Artificial Intelligence (AI) to perform tasks or respond to us. Some examples of such AI devices are:
• Smart Speakers: These speakers respond to your voice commands. They use AI to understand your voice commands, like when you ask them to play music or tell you a story.
• Selfie Magic: Some phones use AI to edit your selfies. The AI can adjust lighting, smooth out backgrounds, or add fun filters.
Test Paper 1 (Based on Chapters 1 to 3)
Test Papers: Designed to evaluate understanding of core concepts and application of skills
1 Things that are present in nature are called
2 Some machines need to work.
3 Computers are used in to keep information of patients.
4 At restaurants, computers are used to order and pay for
B. Tick () the correct answer.
1 Which of the following is a human-made thing?
a Mountains b Trees
c Cars d Animals
2 Which machine helps us keep our food fresh?
a Refrigerator b Washing
Introduction to Avora
Places in Avora
Meet the Characters
•
• Using Shapes Tool
• Drawing a Hut
• Saving a Drawing
• Opening a Drawing
• Robots
• Types of Robots
• High-tech Robots in Our World
• Fun with AI: Using Chatbot
•
• Mouse Pointers
• Using the Mouse
and
Understanding Computers
Devices are things that help us to do specific tasks. For example, a phone is a device to talk to others.
An electronic device is a device that works on electricity.
A computer is an electronic device that helps us do many things.
Uses of Computers
A computer is used for: Charles Babbage is known as “the Father of Computers.” Did You Know?
Advantages of a Computer
A computer can do many things for us. Some advantages of computers are:
It can store a large amount of data like pictures, music, videos, and games. Storage 1
We can share information and talk to each other using a computer.
Calculation 4
Computers have calculators in them that can help us do additions and subtractions.
Disadvantages of a Computer
Computers can help us to know about new things and subjects. Information 3
Entertainment 5
We can watch cartoons and films on a computer. We can also play games on it.
Computers are very useful but they also have some disadvantages. Some of them are:
Think and Tell
Is doing many things on a computer at the same time an advantage?
Using a computer for a long time can make your eyes and head hurt.
Criminals can use the internet to steal our private information stored on our computer.
Computer parts like batteries are harmful for nature. Not recycling them, and throwing them in the garbage harms the soil. This pollutes the environment.
Do It Yourself 1A
Match the following. 1
Security Problems
Health Problems
Entertainment
Connectivity
Information
Where We See Computers
In today’s world, computers are used everywhere. They are used:
• To let us take money out from our account.
• To tell us how much money we have left in our account.
• To help us send money to other accounts.
Schools 2
Hospitals 3
• To help us learn new things.
• To help teachers to make time tables and report cards.
• To help in collecting schools fees.
• To keep records of all the patients in a hospital.
• To help run big machines like X-ray machine.
• To prepare and print medical reports.
• To help us in booking tickets.
• To keep a record of all the passengers.
• To tell us about the timings of the flight, train or bus.
• To keep a record of the number of items in shops.
• To create and print orders and bills.
• To keep a record of people who work in the shops and offices.
How can computers help us in doing homework and creating projects?
Do It Yourself 1B
Explore More!
Which other places use a computer? Scan the QR code to know more.
Name any two places where computers are used. Write one use of computers in those places.
To start a computer, we need to follow these steps:
Press the ON button on the monitor.
Wait for the computer to start. Once your computer is ‘awake’, you can use it.
Shutting Down a Computer
To shut down your computer means to turn it off. Always shut down the computer when it is not in use.
A computer can be shut down by following these steps:
1. Click Start to open the menu.
2. Then, click on the Power icon.
3. Click on the Shut down option from the second menu. The computer will start shutting down. Start
Explore More!
Scan this QR code to learn other quick ways to turn off a computer.
You need to start your computer. Number the images in the correct order.
Computer is an electronic device that helps us do many things.
Some uses of a computer are:
a. Playing Games b. Watching Videos c. Drawing Pictures
d. Listening to Music e. Finding Information
Some advantages and disadvantages of computers are:
a. Advantages: Storage, Connectivity, Information, Calculation, Entertainment
b. Disadvantages: Health Problems, Security Problems, Environmental Harm Computers are used at:
a. Banks b. School c. Hospital
d. Airports and Stations e. Shops and Offices
The steps to start and shut down a computer are:
a. To start it:
Switch on the main power button.
Press the ON button on the UPS.
Press the ON button on the CPU.
b. To shut it down:
Click on the Start button.
Press the ON button on the monitor.
Wait for the computer to start.
Look for the Power button in the menu. Then, click on it.
Select the Shut down option in the menu.
Wait for the computer to shut down.
Chapter Checkup
A. Fill in the blanks.
We can use computers for and having fun! Computers
C. Who am I?
I am an electronic device that helps you do many things.
I can help you play games, draw pictures, and find information on the internet.
I am the place where computers are used to keep records of all the patients.
I am the place where computers are used to withdraw money.
I am the button that helps you shut your computer down.
D. Write T for True and F for False.
A computer is an electronic device.
Hospitals use computers to keep records of patients.
Computers are only used for cooking food.
Computers help us to play music, videos, and games.
To start a computer, you need to press the button on the monitor first.
E. Answer the following questions.
F. Apply your learning.
Sree wants to learn what computers can do. Can you help him?
Raj wants to switch the computer on. What does he need to do?
Archi is wondering about the disadvantages of using computers. Can you tell her?
Pranav wants to book a train ticket. Can you suggest what he should do?
Tanya wants to know where computers are used. She also wants to know how they are used there. Can you help her?
Do you know about the friendship between cats and humans?
Cats and humans are friends. Humans take care of cats by giving them food and lots of love. In return, cats become their friends and help keep homes safe from mice. This special bond brings joy and warmth to both of them.
Look at the image of the cat and label its body parts.
Just as the cat has different body parts, similarly, a computer also has different parts.
Exploring Parts of a Computer
A computer has three types of parts. These are input devices, output devices, and storage devices.
Input Devices
Input devices help us to tell a computer what to do. Input devices provide ways to ‘talk’ to the computer.
There are many input devices. Let us learn about them.
Keyboard
A computer keyboard is a board with buttons on it. These buttons are called keys. Each key on the keyboard does one type of thing only. Using the keyboard, we can type on the computer.
Uses of a Keyboard:
Typing words, sentences, and numbers.
Using key combinations to perform specific actions
A standard keyboard has 104 keys. Some keyboards have more keys for playing audios and videos. Did You Know?
Mouse
A computer mouse is a small input device. It is used to move the pointer around the computer screen and click on files or icons to use them. It has two buttons and a wheel between them.
Uses of a Mouse
• Pointing at things on the computer screen.
• Moving pages on the computer screen up and down.
• Selecting items.
• Clicking on items to open them.
Microphone
The first mouse was made up of wood and had two wheels underneath it. It was invented by Douglas Engelbart. Did You Know?
A microphone is an input device that lets us use our voice to tell the computer what to do. Microphones these days are fitted into the computer itself. We can also buy microphones that can be plugged into the computer.
Uses of a Microphone
• Recording our voice.
• Talking to other people while online.
• Giving voice commands to the computer to play music, search for a file, or open it.
Do It Yourself 2A
Write T for True and F for False.
A device helps us to do specific tasks.
You can select items on the computer with a mouse.
The microphone helps us to use our voice to tell the computer what to do.
The keyboard helps us to type on the computer.
The mouse has only one button.
Output Devices
We learnt that input devices help us tell the computer what we need. But how does the computer show us the results of our commands? It does so by using output devices.
Output devices show the results of what we want from the computer. Let us see some output devices.
Monitor
A monitor is the screen of your computer. It shows you the result of your input.
Uses of a Monitor
• Helps us to see what we are doing on the computer, like typing or moving the mouse.
• Lets us watch videos or films.
Printer
Explore More!
Do you want to know what is inside a monitor? See here!
A printer is used to print text or pictures on paper. The printout is called a hard copy.
Use of a Printer
• Lets us get a printout of text or pictures.
Speakers and Headphones
Speakers and headphones help us hear sounds that a computer creates as outputs.
Speakers are different from headphones.
Speakers are used when more than one person wants to hear the sounds and music.
Headphones are worn over the ears. They are meant for only one person to listen to sounds and music, without disturbing others.
Uses of Speakers and Headphones
• Help in listening to music or sounds in a computer.
• Help in listening to the voice of the person who we have called using the internet.
Storage Devices
Did You Know?
Speakers use magnets to create sounds.
We can do many things on a computer. We can listen to music, watch a video, and even get printouts.
We can also store information in the computer, like our favourite songs, our school projects, films, and games. This is called data.
In the computer, data is stored in storage devices. Let us learn about them.
Hard Disk
A hard disk is like a box that stores all the data in the computer. Every computer needs a hard disk to store things.
Uses of a Hard Disk
• Keeps important things on the computer safe.
• Stores all that we have on the computer—including our favourite games, music, films, and projects.
CD/DVD
CDs and DVDs are both storage devices. They are used by putting them in the CD/DVD Drive.
Both the CD and the DVD are round in shape and look similar, but they are different in functioning. Let us see how!
CD DVD
CD stands for Compact Disc. DVD stands for Digital Versatile Disc.
A CD holds less amount of data. A DVD holds a large amount of data.
Uses of CDs and DVDs
• These help us in storing things like music, films, and homework.
• These can be carried around easily.
Pen Drives
A pen drive is a small stick-like device in which you can store files. You can also transfer these files to another computer easily. It is also called a flash drive. It is smaller than CDs and DVDs.
Uses of Pen Drives
• They can be used to easily transfer files from one computer to another.
• These are used to store a greater amount of data than CDs or DVDs.
• These, like CDs and DVDs, can be carried around easily.
Did You Know?
Cloud storage allows you to save your pictures, games, and school projects on the internet so you can access them from any device, like a computer, tablet, or smartphone, anywhere you go.
Label the parts of the computer in the given image.
Computers work in a similar way. Let us see how.
Input: What we give to the computer.
Process: What the computer does with the input.
Output: What the computer gives us back.
Input, Process, and Output Cycle
Have you ever seen a plant grow? You water the plant. The plant also breathes in air. It also takes in sunlight. It takes in all these things and uses them to give us flowers and fruits!
This is called the Input, Process, and Output cycle or simply the IPO cycle. The IPO cycle tells us how a device works.
Let us see another example. This time, of a washing machine.
Can you think of another example for the IPO cycle?
Input We put dirty clothes in the washing machine.
Process The washing machine washes the clothes.
Output We get clean clothes.
Do It Yourself 2C
Write I for Input, P for Process, and O for Output.
Alarm Clock
a You set the alarm on the clock.
b The clock runs and keeps a track of the time.
c When the time matches, the alarm rings.
Refrigerator
a The food is cold.
b The food is hot.
c The refrigerator absorbs heat from the food.
Points to Remember
Input means giving instructions to the computer.
Input devices help us to instruct a computer.
A keyboard lets us type letters, numbers, and symbols on the computer.
A mouse points, clicks, and moves things on the screen, like picking up and placing objects.
A microphone is an input device that helps the computer hear us.
An output is the result of our instructions to the computer.
A printer is used to print text or pictures on paper.
A monitor is a screen that shows you the response of your input that the computer creates.
We can listen to sounds that the computer generates through speakers and headphones.
Storage devices store files, projects, and other data.
A hard disk is like a box inside the computer that stores data.
The IPO cycle for a device tells us how it works. IPO stands for Input, Process, and Output.
Process is what the device does with the input.
Chapter Checkup
A. Fill in the blanks.
Hints:
help you listen to music.
A mouse is an device.
A is a screen that looks like a TV. A is a small storage device that can be carried around easily.
B. Tick () the correct option.
Which device allows you to type letters, numbers, and special signs on a computer?
Which of the following is a storage device? a Microphone b Hard Disk c Headphone d Printer
Which device do we use to get a printed copy of a picture from the computer? a Printer b Keyboard c Headphone d Monitor
Which storage device is like a small stick?
Which device helps you move items on the computer screen?
Pen Drive b Printer
C. Who am I?
I let you listen to music without disturbing others.
I am round in shape and shiny. You can store things in me. I cost more than a CD.
If you use me, everyone can hear the sound given by me.
I keep all your favourite games and pictures safe in the computer.
When you type something on the keyboard, the numbers and the alphabets are seen on me.
D. Write T for True and F for False.
We give instructions to the computer using input devices.
A computer mouse helps you click on the computer.
A keyboard is small and round like a shiny plate.
A microphone is used to record sounds.
A mouse is a box that stores pictures in the computer.
E. Answer the following questions.
F. Apply your learning.
On a family vacation, Aman took many photos. Now, he wants to save them on a storage device that he can carry around with him. It would be great if the device can be carried safely in his pocket. Which device should he choose and why?
Riya wants to type a letter on the computer. Which devices will she use?
Aarav is watching a film on his computer. Which devices is he using?
Tina was hungry. Her mother made her a sandwich using a toaster, bread, and cheese. Is this an IPO cycle? If so, correctly identify the input, process, and output.
Sagar loves drinking cold water. He keeps a glass of water in the refrigerator to make it cold. Explain the input, process, and output for this.
Look at these pictures and write their names.
Have you noticed one common thing in all these pictures?
Computer Keyboard
The keyboard is an input device. It has lots of buttons, called keys, on it. It helps us type letters, numbers, and symbols on the computer.
Let us learn about these keys.
Alphabet and Number Keys
Alphabet Keys
Each picture shows keys used for playing the piano, playing a video game, and switching channels on TV. Similarly, keys on the keyboards are used for typing on a computer.
The alphabet keys are the keys with letters on them. The computer keyboard is also called the QWERTY keyboard. It is based on the first six letters on the keyboard. Did You Know?
There are 26 alphabet keys, one for each letter in the English language. We use the alphabet keys to type words and sentences on a computer. The keys are arranged in such a way that they make typing letters easier.
Number Keys
The number keys are the keys with numbers on them. There are 10 number keys, from 0 to 9.
These keys help us to type numbers on a computer. Some keyboards have number keys on the right-hand side also. This is known as the numeric keypad.
Do It Yourself 3A
Colour the vowels. 1
Explore More!
Can you use the computer keyboard to write in another language? Find out!
) the correct type for the given keys.
Alphabet Key
Special Keys
There are many special keys on a keyboard. These keys are used to do particular tasks.
Let us learn about them.
Backspace Key
Sometimes, while typing, we make mistakes. We can correct them by erasing them.
The backspace key helps us remove the text or objects before the cursor (the blinking line).
Imagine we have typed ‘computerr’ by mistake instead of ‘computer’.
To fix this:
1. First, check if the cursor is at the right place. It should be after the letter to be erased, as shown.
2. Then, press the Backspace key.
Think and Tell
Which item in your pencil box works like the backspace key?
Delete Key
The Delete key also helps us remove text or objects but when they are after the cursor.
Imagine we have typed ‘machinee’. We can correct this mistake by clicking before the extra ‘e’ and pressing the Delete key.
To fix this:
1. Check if the cursor is before the extra ‘e’.
2. Press the Delete key.
Punctuation Keys
Punctuation keys are used to add punctuation symbols. These symbols are the question mark (?), exclamation mark (!), full stop (.), comma (,), semi-colon (;), and colon (:).
Spacebar
The Spacebar is also called the Space key. The spacebar is the largest key on the keyboard. It adds a space between two words. Imagine we have typed ‘Ahorse’.
To fix this:
1. Check if the cursor is where we want to add space.
2. Press the Space key.
Caps Lock
Caps Lock key is used to type letters in capital or uppercase. If you press this key once, your letters will be in capital when you type. To write in small letters or lowercase again, press the Caps Lock key again.
Think and Tell
Just like Caps Lock, is there a key on the keyboard that helps us to type capital letters?
Caps Lock: ON
Caps Lock: OFF I PLAY FOOTBALL i play football
Enter Key
The Enter key is used to move the cursor to a new line while typing.
For example, imagine we have typed ‘I am a student. I study in grade 2’. To move the second sentence to the next line:
1. First, check if the cursor is before the sentence.
2. Then, press the Enter key.
Arrow Keys
I am a student. I study in grade 2.
The arrow keys are four keys with arrows pointing in different directions.
They are used to move the cursor in the direction of the arrow. I am a student. I study in grade 2.
Combination Keys
A combination is when two or more things are done together. So, a combination on a keyboard happens when we press two or more keys together. Let us learn these keyboard combinations.
Symbol Keys
Some keys have two things printed on them. They can help us type both the things, if we know how to use them. For example, look at the number keys. They have symbols written above the numbers.
We can type these symbols by pressing and holding the Shift key and then that number key.
For example, we want to type ‘Hello!’. Let us first type the word ‘Hello’.
Then, to add the exclamation mark (!), we will press and 1 together.
Colour the key that:
b Adds space between two words. 1
a Turns the lowercase letters to uppercase letters.
Which key helps us type the symbol on the top of a key? a Caps Lock b Shift c Backspace d Delete
Tick () Yes if the symbol can be used as combination key only. Tick () No if the symbol can be used without combination.
The keyboard is an input device. It has lots of buttons called keys on it. It helps us type letters, numbers, and symbols on the computer.
The alphabet keys are the keys with letters on them.
The keys are arranged in such a way that they make typing letters easier.
The Backspace key helps us remove the text before the cursor.
The Delete key is used to delete text after the cursor.
The Spacebar adds a space between two words.
Caps Lock key is used to type letters in uppercase.
The Enter key is used to move the cursor to a new line while typing.
Arrow keys are used to move the cursor in the direction of the arrow on the screen.
Keys that work in a combination have two symbols written on them.
We press and hold the Shift key and then press any such key with two symbols to type the other symbol.
Chapter Checkup
A. Fill in the blanks.
Hints: uppercase numbers line backspace alphabet
The keys are used to type letters, words, and sentences.
The number keys are used to type .
The key on the keyboard is like an eraser for your words.
Caps Lock key is used to write the letters in .
The Enter key is used to move to a new when typing.
B. Tick () the correct option.
What is the use of alphabet keys?
a Typing numbers
c Typing words
b Typing special or punctuation symbols
d Adding spaces between words
Which is the largest key on the keyboard? It also adds a space between two words.
a Backspace key
c Enter key
b Caps Lock key
d Spacebar key
What are the arrow keys used for on the keyboard?
a Typing letters, words, and sentences
c Entering symbols and punctuation
b Moving the cursor in different directions
d Adding spaces between words
Which key is used along with other keys as a combination?
a Enter key
c Arrow keys
b Backspace key
d Shift key
How can you type the symbol above a number key?
a Press the Shift key and that number key together.
b Press the Caps Lock key and that number key together.
c Press the Enter key and that number key together.
d Press the Spacebar key and that number key together.
C. Who am I?
I help to move the cursor to the next line.
If you have typed something wrong, I help you go back and remove it.
I make the letters capital when you type.
I add a space between two words.
D. Write T for True and F for False.
A keyboard is used to type letters, numbers, and symbols.
The alphabet keys on the keyboard are arranged as A, B, C, and so on.
The number keys are used to type letters, words, and symbols.
Some keyboards have number keys on the right-hand side also. The spacebar adds a space between two words.
E. Answer the following questions. What is a Spacebar used for? What does the Caps Lock key do?
Why do we use the Delete key?
Give two examples of special keys. What is a combination key?
F. Apply your learning.
Riya wants to type her name in capital letters. Which key should she use?
Raja wants to type an exclamation mark at the end of a sentence. Which keys should he use?
Aarav wants to add a question mark to the end of a sentence. Which keys should he use?
Maya is wondering why the letters on the keyboard are in a different order than the book. What do you think is the reason?
Naina is playing a game on the computer. She needs to move the character on the screen. Which keys could help her?
Mouse
Mouse
Look at the given picture.
In the given picture, the teacher is pointing at the question and asking the students for answers. Similarly, a computer mouse is used to point at things on the computer screen.
Understanding the Mouse
A mouse is a pointing device. It helps to draw and colour pictures. When you move the mouse, an arrow also moves on the computer screen. This arrow is called the pointer.
Think and Tell
Is mouse an input device?
A mouse has three parts—a left button, a right button, and a scroll wheel.
Left Button Right Button Scroll Wheel
But how do these parts help us?
The mouse was invented by Douglas Engelbart in the 1960s. Did You Know?
• Left Button: helps you click on things you want to open or use on the computer.
• Right Button: opens up additional options.
• Scroll Wheel: helps you move a page that is open on the computer screen up and down.
Holding a Mouse
Now, let us learn how to hold the mouse properly. To hold a mouse properly, put your hand on top of it in such a way that:
1. Your index finger should be on the left button.
2. Your middle finger should be on the right button.
3. Your thumb and the other two fingers should be on the sides of the mouse.
Index Finger
Left Button
Thumb
Right Button
Middle Finger
Other Two Fingers
Now, move the mouse on the table. See how the pointer on the monitor also moves. Does the mouse work when it is in the air? Why or why not?
Do It Yourself 4A
Colour the parts of the mouse with these colours: left mouse button in orange, right mouse button in blue, the scroll wheel in red, and the body of the mouse in green.
Mouse Pointers
The mouse pointer is the little arrow on the monitor that moves when we move the mouse. It helps you to point at, select, and click on many things that you see on the monitor.
At first, the mouse pointer is simply a white arrow with a black border.
What if we don’t like this arrow? Can we change it? Yes, we can!
There are many other types of mouse pointers. Let us look at some of them.
Explore More!
Find out how your mouse pointer can be changed.
Using the Mouse
We have learnt what a mouse is and how to hold it. Now, let us learn how to use it.
Clicking
Pressing a mouse button is called clicking. We hear a soft clicking sound when we press the mouse buttons.
Clicking with the left button is called a left-click. With one left-click, we can select an item. This PC click
Clicking the left button two times, very quickly, is called a double-click. When we double-click the left mouse button, it will open the selected item. This PC click click
Scrolling
Clicking with the right mouse button is called a right-click. When we right-click, we get a list of choices that we can select.
Rolling the scroll wheel up and down using your index finger is called scrolling. Scrolling moves the page that is opened on the monitor up and down.
Drag and Drop
Moving the mouse without leaving the left mouse button is called dragging.
1. Select an icon by left-clicking on it.
2. Then hold the left mouse button and move the mouse without leaving it.
3. When you release the left button, you will see the icon is placed where the pointer is.
4. This way of moving the icon is called drag and drop.
Do It Yourself 4B
Drop Select an item. Match the following. 1
Left-click Hold the left button to do this.
Right-click Place an object at a new place on the monitor.
Drag Open a list of options.
Write T for
a Right-click is used to select an item.
b Drag is used to move an object.
c The default mouse pointer is a white arrow with a black border.
to Remember
The mouse is an input device that helps control the pointer on the monitor.
The mouse consists of three main parts: left button, right button, and a scroll wheel. Mouse pointers look like arrows on the monitor. They move in the same direction a mouse is moved.
To hold a mouse correctly, position your index finger on the left button, middle finger on the right button, and thumb and other fingers on the sides.
The left mouse button is used to click on, select, and open items on the monitor. The right mouse button provides additional options for the selected item.
The scroll wheel helps in scrolling up and down on the monitor.
Left-clicking on an item selects it, while double-clicking opens the selected item.
Right-clicking on an item opens a menu with a list of options for the selected item.
Chapter Checkup
A. Fill in the blanks.
A is an input device that helps control the pointer on the monitor.
The is the little arrow that appears on the monitor when you move the mouse.
The is used to select an item on the computer monitor.
The is used to see more options for a selected item.
The is used to scroll up and down on a page or a document.
Which part of the mouse is used to select an object on the computer monitor?
To open an item on the computer, we should the item.
Left click Scroll Double click
When we want to move up and down on the page opened on the monitor, we should on the page.
Left click Scroll Right click
Which mouse pointer is shown on the computer screen, when you first use it?
Which finger is used to click the left button?
C. Who am I?
I am a computer device. I have the name of a small animal.
I move on your monitor when you move your mouse.
You roll me up and down on the mouse. I help you go up and down on a page.
I am the button on the mouse that you use to open a list of choices.
I am the button on the mouse that you use to select an item.
D. Write T for True and F for False.
We cannot move the pointer on a computer monitor.
The mouse is an input device.
The computer mouse is an animal.
We can move an object from one place to another on a computer monitor using a mouse.
You can select a particular item by left-clicking on it.
E. Answer the following questions. What are any two uses of the mouse? What is single-click and double-click?
What can you do with a left-click?
F. Apply your learning.
Aarna wants to move an item on the desktop from one place to another. What should she use?
Tiya sees an arrow on the monitor that moves when she moves the mouse, but she doesn’t know what it is. Can you tell her what it is?
Ravi is reading a story on the computer. He wants to move to the lower part of the page. Which part of the mouse can help him?
Eva is new to computers. She doesn’t know how to open an item. Which button on the mouse can help her?
Conji has clicked a mouse button which opens a list of options. Which button did he click?
Match the shape with its correct shadow.
Do you know you can also draw these shapes on the computer using MS Paint?
Introduction to MS Paint
MS Paint lets us draw and colour on the computer.
Starting MS Paint
To open MS Paint, follow these steps:
1. Click on the Search bar. Search Bar
2. Type “paint ”.
3. Click on the Paint app.
Type “paint”
Click here
4. MS Paint app opens.
Parts of MS Paint
The Paint window has the following parts:
Title Bar Tools Group
Shapes Group Tabs
Drawing Area
Title Bar: Shows the name of your MS Paint file.
Tabs: This is where you can use different types of tabs like File, Home, and View.
Ribbon: Group of tools to help you draw.
Drawing Area: Space to draw.
Colors: Colour choices to choose colour from.
Shapes Group: Contains various shape tools using which we draw many shapes in Paint.
Tools Group: Contains various tools used in creating drawings.
Colors
Ribbon
Fill in the boxes. 1
Hints: title bar ribbon tabs colors drawing area
Using Shapes Tool
A shape is a figure that is made of lines or curves. There are many shapes like squares, circles, and triangles. In MS Paint, we have Shapes group, which contains many shape tools. They help us to draw shapes easily.
Let us learn how to draw some shapes in MS Paint.
Drawing a Line
Steps to draw a line:
1. Choose the Line tool from Shapes.
2. Press and hold the left mouse button where you want to start drawing the line.
3. Move the mouse to where you want to end drawing the line.
End Point
4. Leave the left mouse button when you are done. Your line is drawn.
Drawing a Curve
Steps to draw a curve:
1. Choose the Curve tool from Shapes. Curve Tool
2. Press and hold the left mouse button.
3. Move the mouse to an end point and then leave it.
End Point
4. Press the left mouse button from where you want to make it curved and then move it.
5. Leave the left mouse button when you are done. The curved line is drawn.
Drawing a Rectangle
Steps to draw a rectangle:
1. Choose the Rectangle tool from Shapes. Rectangle Tool
2. Press and hold the left mouse button where you want to start drawing the rectangle.
3. Move the mouse to where you want to end drawing the rectangle. End Point
4. Leave the left mouse button when you are done. The rectangle is drawn.
Drawing a Circle
Steps to draw a circle:
1. Choose the Oval tool from Shapes. Oval Tool
2. Press and hold the Shift key. Also press and hold the left mouse button where you want to start drawing the circle.
3. Move the mouse to where you want to end drawing the circle.
End Point
4. Leave the left mouse button when you are done. The circle is drawn.
Drawing a Polygon
A polygon is a shape with many sides. A triangle is a polygon with three sides. A square is a polygon with four sides. We can draw any shape with the Polygon tool in MS Paint.
Steps to draw a polygon:
1. Choose the Polygon tool from Shapes. Polygon Tool
2. Press and hold the left mouse button where you want to start drawing the polygon.
3. Move the mouse where you want the next point of polygon.
4. Continue moving and pressing the left mouse button to add points.
5. Connect the last point added to the start point to complete the polygon.
6. Leave the left mouse button when you are done. The polygon is drawn.
What things can the shapes we learnt?
Drawing a Hut
Now that we have learnt how to draw different shapes, let us draw a hut using the Shapes tools.
1. Select the Rectangle tool from the Shapes section.
2. Draw a large rectangle in the drawing area to form the base of the house.
3. Draw another rectangle beside the first one.
4. Select the Triangle tool from the Shapes group.
5. Draw a triangle on top of the second rectangle to form the roof.
6. Select the Line tool and draw the slanting lines on the other two sides of the house.
7. Draw a smaller rectangle inside the large rectangle to represent the window.
8. Use the Line tool again to draw cross lines inside the smaller rectangle.
9. Draw a smaller rectangle in the left-base rectangle to represent the door.
10. Select the Circle tool and draw a circle inside the triangle. The house should look like this.
Saving a Drawing
When you have finished drawing on MS Paint, you need to save it so that you can always see it again later. Let us see how we can do that.
Steps to save your MS Paint file:
1. Click on the File tab.
2. A menu will open up.
3. Click on the Save as option.
4. Another window will open which will allow you to save your file.
5. Type a name for your drawing in the File name box.
6. Click on the Save button.
Explore More!
Would you like to know what else can be drawn on MS Paint? See this video!
Opening a Drawing
Let us now learn how to open a previously saved file.
Steps to open a drawing file:
1. Click on the File tab.
2. Click on the Open option.
3. Find the drawing file you want to open.
4. Select the file and click on the Open button.
5. Your MS Paint file opens.
E Do It Yourself 5B
Fill in the letters to complete the tool names.
Points to Remember
MS Paint is a drawing app on the computer.
You can use MS Paint to draw lines, curves, rectangles, circles, and polygons.
To start MS Paint, click on the Search Bar and then type Paint in the Search Bar.
To draw a line, select on the Line tool from Shapes.
To draw a curve, select on the Curve tool from Shapes.
To draw a rectangle, select on the Rectangle tool from Shapes.
To draw a circle, select on the Oval tool from Shapes.
To save a Paint file, click on the File tab and then select the Save as option.
To open a saved file in Paint, click on the File tab and then select the file, and finally, select the Open option.
Chapter Checkup
A. Fill in the blanks.
Hints: polygon start file save
bar drawing area
To start MS Paint, first click on the button. shows the name of your MS Paint file. is the space where you draw. tool is used to draw a polygon.
Tick (
Who am I?
D. Write T for True and F for False. Triangles, squares, and rectangles are types of polygons.
If we want to see our work again after closing MS Paint, we should save our file before closing it.
C.
B.
In MS Paint, we can draw only one shape.
You can see your drawing only once after you save the file.
You can only use four colours to colour your drawings in MS Paint.
E. Answer the following questions. What is MS Paint?
F. Apply your learning.
Manisha
Sara
Tanya
Water is very important for us. We use water to drink, cook, and clean. It helps us stay strong and healthy.
Tick () the correct answer.
Is clean water important for our health?
(Yes/No) Do we use water to drink? (Yes/No)
Should we waste water? (Yes/No) Can we drink dirty water? (Yes/No)
Colour the given picture.
Long, long ago, people drew on cave walls using rocks and colours found in nature. Did You Know?
Explore More!
Doodle art: Doodle art means drawing without a plan. Find out more about doodle art here!
Just like we filled in colours in the above drawing, we can use Paint to add colour to drawings created on a computer.
Colouring a Drawing
We can colour our drawings by using Fill with color tool from the Tools group and selecting colours from the Colors group.
Fill with Color
The Fill with color tool is used to fill colour in a closed shape. Follow the given steps to fill colour in your drawing.
1. Click on the Fill with color tool and then select the colour of your choice.
2. Click on the roof. The selected colour will be filled.
In the same way, colour all the other parts of the drawing you made. Each click will fill the selected area with the chosen color.
Think and Tell
What did you like the most about MS Paint, and why?
More Tools in MS Paint
Text
The Text tool helps us to write in our drawings.
Steps to use the Text tool:
1. Click on the Text tool.
3. Click where you want to write and start typing. Let us learn about some more tools in MS Paint.
2. Then, select any colour from the Colors palette.
Eraser
The Eraser tool is used to remove mistakes in our drawings.
Steps to use the Eraser tool:
1. Click on the Eraser tool.
2. Move the mouse pointer to the text which you want to remove.
3. Start erasing the text by moving the tool on the area with your left mouse button pressed.
Color Picker
The Color picker tool allows us to ‘pick’ the colour of an object without going into the Colors section.
Color picker Tool
Let us learn to use it. Imagine you want to select the same blue colour that this circle has.
1. Click on the Color picker tool.
2. Take the tool to the same place where the blue colour is.
3. Click on the blue area.
You will notice that the blue colour has been selected and the Color picker tool’s shape is changed to Fill with color tool. Now, you can take the mouse pointer to the area where you want to fill in this colour and click to fill the same selected colour.
Brushes
Brushes help you make different lines, shapes, and textures, just like real paint brushes.
1. Click on the Brushes tool.
2. Select the option that you want to use. Write T for True and F for False.
1 We use the Fill with color tool to correct our mistakes while drawing.
2 We use the Text tool to write in our drawings.
3 Imagine you have a pink figure. If you want to draw a circle of the same pink colour, you can use the Color picker tool.
4 The Brushes tool can only draw bold strokes, not thin strokes.
In MS Paint, we can colour shapes to make them beautiful. We can use the ‘Outline’ and ‘Fill’ options to add colours.
The ‘Fill with color’ tool is used to fill colour in a closed shape. With the ‘Color picker’ tool, we can choose a particular colour for drawing. In MS Paint, we can fix mistakes with the ‘Eraser’ tool.
Brushes help us to draw in thick and thin strokes.
The ‘Text’ tool allows us to write words.
Chapter Checkup
A. Fill in the blanks.
Hints:
You can find the Fill with color tool in the group. The tool in MS Paint lets us pick any colour for our paint brush. When we want to fix mistakes in our drawing, we use the tool. The tool works like a special pen that lets us write words on our pictures.
B. Tick () the correct option.
What tool do we use in MS Paint to select shapes for colour?
How do ‘Brushes’ in MS Paint help us?
a Choose outline colours b Remove mistakes from the drawing c Draw with different line styles d Fill shapes with colours
What does the Fill with color tool in MS Paint do?
a Allows us to choose the outline colour b Fills the shape with a colour
c Removes mistakes from the drawing d Selects the shape for colouring
Which tool is used to pick a colour from a drawing?
What is the use of the ‘Eraser’ tool in MS Paint?
a Adds colours to shapes
c Writes words on the picture
C. Who am I?
I let you select the colours.
b Removes mistakes from the drawing
d Draws different styles of lines
I allow you to fill a shape with your chosen colour.
I let you write “Kite” in your picture.
I allow you to pick a colour from a drawing.
I help you remove mistakes from your drawing.
D. Write T for True and F for False.
In MS Paint, we can add colours to our shapes using the Fill with color option.
We can open a saved drawing in MS Paint.
The ‘Select’ tool is used to remove mistakes from the drawing in MS Paint.
We cannot erase our mistakes in MS Paint.
The ‘Text’ tool in MS Paint functions like a special pen to draw different styles of lines.
E. Answer the following questions.
What do we use to make our shapes colourful in MS Paint?
What tool do we use to fix a mistake in our drawing?
Why do we need to colour our drawings?
F. Apply your learning.
You want to colour a picture of a cute puppy. Which MS Paint tool can you use to add colours to the picture of the puppy?
Sahiba drew a beautiful flower but made a mistake in one petal. Which MS Paint tool can help her fix the mistake?
Simran drew a happy sun and wanted to add some text to make it say “Hello!”. Which MS Paint tool allows her to write words on her picture?
Nikhil drew an apple using MS Paint. Now he is drawing cherries. He wants to make the cherries of the same red colour as that of the apple. How can he do that?
Robots
All of us love going to toy stores. Playing with toys is so much fun. We see many toys around us, like teddy bears, rabbits, and dolls.
But have you ever seen a toy that looks like a person and can walk on its own? That is a robot. But, what are robots?
A robot is a machine that can do things on its own.
Some robots can move around, and some can even pick things up. There are even robots that look like humans and can talk.
Robots can do all these things with the help of Artificial Intelligence or AI.
AI gives machines, or robots, the ability to learn and do things on their own, just like humans do.
Types of Robots
There are different types of robots. Let us learn about them.
Humanoid Robots: These robots look and move like humans. They can walk, talk, and sometimes even dance.
Animal Robots: These robots are shaped like animals. They can move like the animal they look like.
Industrial Robots: These robots work in factories. They help make cars, toys, and other things.
Service Robots: These robots help people at home or in stores. They can clean, deliver things, and even give information.
High-tech Robots in Our World
There are many robots in the world that scientists have invented.
Sparko
Sparko, the first robotic dog, was developed in the USA in the 1940s.
It can:
• walk and run.
• wag its tail like a real dog.
• play games.
• listen to us.
• bark like a real dog.
The first programmable robot, Unimate, was developed by George Devol and Joseph Engelberger in the 1950s. Did You Know?
Roomba
Roomba is a robotic vacuum cleaner. It was developed in the USA in 2002.
It can:
• roam around the house on its own.
• move without hitting a person.
• clean the house on its own.
Sophia
Sophia is the first human-like robot. It was developed in Hong Kong in 2016.
It can:
• teach you different things.
• play games with you as a friend.
• dance with you.
• talk to you.
Explore
Fun with AI: Using Chatbot
1. Visit this link with the help of your teacher: https://my.aiclub.world/chai-bot
2. You will see the page: Chai the AI Bot
3. Ask your question to Chai, and it will answer you. Chai will not only write your answer in the chat box, but it will also read it out for you.
Chapter Checkup
A. Fill in the blanks.
Hints:
A robot is a machine that can do things on its own because of . robots look and move like humans.
, the first robotic dog, can wag its tail like a real dog.
Roomba is a robotic cleaner.
is the first human-like robot developed in Hong Kong.
B. Tick () the correct option.
Which robot was developed in the USA in 2002?
a Sparko
c Sophia
What can humanoid robots do?
a Bark like a real dog
c Fly in the sky
What does AI stand for?
a Artificial Intelligence
c Automatic Intelligence
b Roomba
d None of these
b Look and move like humans
d Swim
b Animal Intelligence
d Artificial Intellectual
Which robot can talk and play games like a friend?
a Sparko
c Industrial robot
b Roomba
d None of these
What type of robots help people at home or in stores?
a Industrial Robots
c Animal Robots
C. Who am I?
b Service Robots
d All of these
I am the first robotic dog. I can wag my tail and bark like a real dog.
I am a robotic vacuum cleaner that can clean the house on my own.
the robot by matching the two halves of the picture.
Test Paper 1 (Based on Chapters 1 to 3)
A. Fill in the blanks.
1 is an electronic device that helps us do many things.
2 A lets us use our voice to tell the computer what to do.
3 A is a small stick-like device in which you can store files.
4 The key also helps us remove text or objects but when they are after the cursor.
B. Tick () the correct option.
1 Which device helps us print text or pictures on paper?
a Mouse b Monitor
c Printer d Keyboard
2 Which key on the keyboard makes all letters uppercase when you hold it down?
a Shift key b Arrow key
c Enter key d Spacebar key
3 Which button is used to switch off the computer?
a Shut Down b On button
c Switch off d Power off
C. Write T for True and F for False.
1 Using computers for a long time can harm our eyes.
2 We can use computers to talk to our friends who are far away.
3 A CD/DVD is used to type on the computer.
4 Numeric keys are used to type letters.
D. Answer the following questions.
1 Write one use of a computer mouse.
2 How are computers useful for teachers?
3 What are punctuation keys?
E. Apply your learning.
1 Ayush wants to type his name in capital letters on the computer. Which key should he use?
2 Aditi was thirsty. Her mother made her juice using an orange and a juicer. Is this an IPO cycle? If so, correctly identify the input, process, and output.
3 Prashant wants to send money to his friend who lives in a far away city. Can you suggest which feature of computer he can use?
Test
Paper 2 (Based on Chapters 4 to 7)
A. Fill in the blanks.
1 The mouse is the little arrow on the monitor that moves when we move the mouse.
2 A is a group of tools to help you draw.
3 The tool is used to fill colour in a closed shape.
4 A is a machine that can do things on its own.
B. Tick () the correct option.
1 Which button on the mouse is used for opening more options?
a Left button
c Right button
b Scroll wheel
d Middle button
2 Which tool in MS Paint would you use to draw a straight line?
a Brush tool b Eraser tool
c Line tool d Text tool
3 Which tool would you use to write words in your drawing in MS Paint?
a Fill tool b Eraser tool
c Text tool d Brush tool
C. Write T for True and F for False.
1 The Color Picker tool helps you choose a colour from your drawing to use elsewhere.
2 Robots do not need AI to perform tasks on their own.
3 The Eraser tool in MS Paint is used to draw lines.
4 The scroll wheel on a mouse can only move in one direction.
D. Answer the following questions.
1 What is the use of the left mouse button?
2 What is the purpose of the Eraser tool in MS Paint?
3 Name the different types of robots.
E. Apply your learning.
1 Ritu wants to colour a picture of a rabbit. Which MS Paint tool can she use to add colours to the picture of the rabbit?
2 Mahi wants to draw a picture of a traffic signal. Which tools can she use?
3 Pihu is new to computers. She doesn’t know how to open an item. Which button on the mouse can help her?
About the Book
This book embodies the principles outlined in the National Curriculum Framework (NCF) and the National Education Policy (NEP) 2020. It unveils the world of computer science through a unique and captivating pedagogical approach— seamlessly integrating curriculum content into the mesmerising adventures of Mel and Conji, fictional figures hailing from the enchanting world of Avora. Our aim is to prepare learners for the dynamic and technology-driven landscape of the 21st century, equipping them with the essential skills they need to thrive in an ever-evolving world.
Special Features
• NEP Tags: To showcase alignment with NEP skills and values.
• Explore More: QR codes to explore an exciting application of the concept.
• Discuss: Questions to trigger engaging group discussions in the classroom.
• Think and Tell: Probing questions to stimulate thinking at an individual level.
• Did You Know? Interesting facts related to the application of a concept.
• Fun with AI: Engaging AI activities to explore and apply AI concepts in practical ways.
• Do It Yourself: Milestone exercises to practice specific concepts.
• Chapter Checkup: A pool of questions catering to all topics and skills covered in the chapter.
• Test Papers: Designed to evaluate understanding of core concepts and application of skills.
About Uolo
Uolo partners with K-12 schools to provide technology-enabled learning programs. We believe that pedagogy and technology must come together to deliver scalable learning experiences that generate measurable outcomes. Uolo is trusted by over 15,000+ schools across India, Southeast Asia, and the Middle East.
ISBN 978-81-978912-3-6
hello@uolo.com
Not to be sold separately