C Programming 2077

Section A

1. What do you mean by looping? Explain while loop with suitable example. Compare while loop with do while loop. Write a program to find sum and average of first n natural numbers.[1+3+2+4]

2. What are the benefits of using arrays? Compare one dimensional array with two dimensional array. Write a program to find transpose of a matrix.[2+2+6]

3. What is structure? How is it different from union? Create a structure named course with name,code and credit_hour as its member. Write a program using this structure using this structure to read data of 5courses and display data of those courses with credit_hour grater than 3.[1+2+7]

Section B

Attempt any eight questions:[8x5=40]

4. Explain flowchart with example. What are the benefits of using flowchart?[3+2]

5. What is data type? Why do we need it in programming? Explain any three basic data types with example.(1+1+3) 

6. What do you mean by unformatted I/O? Explain.[5]

7. Write a program to display first in prime numbers.[5]

8. Write a program to find product of two integers using your own function.[5]

9. Define pointer. How do you return pointers from functions? Explain with example.[1+4]

10. Explain different file  I/O functions with example.[5]

11. Write a program to draw a circle using graphics function.[5]

12. Write short notes on:[2x2.5=5]

a. Compilation and execution

b. Operator precedence and associativity