Warm up (to be handed in) – don’t copy! • A new year’s resolution is a promise that you make for yourself in the new year. What resolution(s) do you want to make? Why do you want to make them? Come up with at least 3 New Year’s Resolutions. • Hand-written 1 Page for an Upstamp (20 points today!)
My Stuff (Teacher) vs. Your Stuff (student)
Close Partners • The person seating next to you will be your CLOSE PARTNER.
Close Partners • Discuss and write on a blank sheet of paper: • 1. List as many computer parts as you can.
Computer Guts!
What do computers do? Help to provide
answers __________ to real problems Life __________ By running programs ________ that help to answer these problems
Z1
Konrad Zuse (1938) Mechanical
ENIAC John P. Eckert (1946)
Vacuum Tubes
COMPUTER A programmable machine that works with Data ______________
DATA = information
COMPUTER A programmable machine that ________ processe an __________ and s input gives an ________ output
How a COMPUTER works
Input
Processing
Output
Input = “Put in” a problem
processing = Calculating an answer
output = “Put out” an answer “To give an answer”
How a COMPUTER works
Input
Processing
Output
• Is this machine a computer? Why or why not. Discuss and prepare to respond.
How a COMPUTER works The computer “thinks about the answer” and performs the calculation What’s the problem?
Input
12x23
The computer provides the answer
Processing
“=“ key
Output
276
Input devices:
Parts of a computer that allow a user to ________ data into input the _________. computer
output devices:
Parts of a computer that output ______ data for the experience user to _________.
Answer the following questions: (don’t copy) PowerPoint (1 slide) +table a. Name the device/picture: b. What kind of device is this? c. How does it input/output information?
How does a computer process information? In order for a computer to process info, it must understand it. So the computer digitizes the information.
“ Digital”
The “language” of a computer in Binary Code
Binary Code:
A language based on 1’s and 0’s.
COMPUTER
COMPUTER
How a COMPUTER works
Input
The camera
Processing Turns it into 1,0 Edits the info to be Displayed as an output
Output
Video Output
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
1
0
1
0
1
1
0
1
0
1
0
0
1
0
1
1
1
0
0
1
1
0
1
1
1
1
0
1
0
1
0
0
0
1
0
1
0
1
0
1
1
0
0
1
0
Digital Code in Binary – A computer understands commands this way. x = on (fill), x = off