Cbse Board Previous Year Question Papers For Computer Science Cbse Board Previous Year Question Papers For Computer Science 1. i) State the basic units of the computer and give function of each of the unit . ii) What is difference between interpreter and complier? iii) Explain briefly the major innovations in generations of computer. iv) write short on booting process v) Expand the following: BIOS, ASCII 2. i) Define operating system ?Give the 2 examples of operating systems ii) What are the functions of the operating system? iii) Write the 4- examples of DOS commands. iv)Explain the different types of Operating Systems 3. i) What are the difference between a keyword and an identifier? ii) How will you include comments in c++? How many types of comments are there in c++ language? iii) Why include iostream.h in c++ programming Know More About :- Cbse Board Previous Year Papers For Psychology
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iv) What do you mean by cascading ?.Give the examples. v) What are the differences between syntax and runtime errors? Give example. 4. i) Write a short notes on Fundamental data types . ii) What is type coasting ? Explain with example. iii) Distinguish between a unary, binary and a ternary operator. Give exampleof c++ operators for each one of them. iv) Write the equivalent C++ expression for the following expressions: a) b) p+q/(r+s)4 5. i) Define Flow chart and Algorithm . ii) Draw a flowchart that picks the largest of three given numbers iii) Write an algorithm to find whether a given number is odd or even iv) Draw the symbol used in the flow chart for connector and comments(annotations) 6. i) Name the header files required for successful execution of a program that uses the following components: i) getch() ii) ceil( ) ii) Write a program in C++ to accept marks in five subjects for a student and display the average mark. iii) Write a program in c++ to convert temperature in Celcious to Fahrenheit? iv) What will be the output of the following code fragment? 7. i) Predict and correct the logical error present in the following code fragment: if(k=1) cout<<”ONE”; Else cout<<” NOT ONE”; ii) Write a program to calculate the area of a circle or triangle or rectangle according to the choice given by the user. Read More About :- Icse Board Previous Year Papers For Accountancy
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