CBSE Class 11 Computer Science Getting started with C Assignment

1. Write a program to input a 2 digit number and find the sum of the cubes of its digits Eg. if the number is 24, output should be (2³ +4³ ) sum = 72.

2. Write a program to accept the total number of days, find the number of years, remaining number of weeks and remaining number of days and display it.

3. Write a program to input employee code and Basic salary of an employee. Calculate HRA(25% of Basic),DA(20%of Basic),Bonus(7%of Basic),PF (9% of Basic). Calculate the Net Salary as Basic + HRA + DA + Bonus - PF. Display all details along with Net Salary.

4. The water authority charges according to the following rates :

For the first 100 units – 10 Bz. per unit (Bz- Baiza)

For the next 200 units – 30 Bz. per unit

Beyond 300 units – 40 Bz. per unit

All users are charged meter charge also which is 1.5 R.O. Write a Program to read a customer’s code and the number of units consumed (more than 300) and print out the charges along with the customer code.

1. Write a program to generate the following output:
GRNO           NAME                 CLASS     SEC
4202      BISWAS KUMAR           11           C
5523      ZAHEER KHAN             12            A
6641      BINNOP CHANDY         10           D

2. Write a program to input length(l) and breadth (b) and the area of a rectangle using the formula l x b.

3. Write a program to input Y and n and find Yⁿ and √Y using built-in functions.

4. Write a program to input the principle amount and find the simple interest using the formula SI = P*R*T/100,where P = Principle Amount, R= Rate of interest and T= Time in years.

1. What are keywords in C++? Give two examples.

2. What are the rules to be followed while naming an identifier?

3. What is a variable? How many values are associated with it?

4. List the three types of integer constants supported by C++.

5. What is the difference between ‘B’ and “B” in C++?

6. What are Escape sequences? Give two examples.

7. What are floating point constants?

8. What do you mean by ‘code generation’?

9. Classify the following into valid and invalid identifiers:

i) Mybook

ii) _DK

iii) Break

iv) new

10. What is the purpose of comment and indentation in a program? In how many ways comments can be given in C++? Explain.

11. What are literals? How many types of literals are available in C++?

12. Explain:-
i) Syntax Error
ii) Logical Error
iii) Semantic Error
iv) Run time Error

13. Find out the errors, if any, in the following C++ statements:
i) cout<< "c=" c ;
ii) cin>> "\n" >> y ;
iii) cin>> y ; >> j
iv) cout>> "\n abc" ;
v) x = y + z ;

14. Why it is important to include iostream.h in every C++ program?

15. What are the predefined stream objects in I/O library?