Tribhuvan University

Institute of Science and Technology

2077

Bachelor Level / first-semester / Science

Computer Science and Information Technology( CSC115 )

C Programming

Full Marks: 60 + 20 + 20

Pass Marks: 24 + 8 + 8

Time: 3 Hours

Candidates are required to give their answers in their own words as far as practicable.

The figures in the margin indicate full marks.

Section A

Attempt any two questions: (2x10=20)

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.

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.

3

What is structure? How is it different from union? Create a structure named course with name, code, and credit_hour as its members. Write a program using this structure to read data of 5courses and display data of those curses with credit_hour greater than 3.

Section B

Attempt any eight questions: (8x5=40)

4

Explain flowchart with example. What are the benefits of using flowcharts?

5

What is data type? Why do we need it in programming? Explain any three basic data types with example.

6

What do you mean by unformatted I/O? Explain

7

Write a program to display first n prime numbers.

8

Write a program to find product of two integers using your own function.

9

Define pointer. Flow to you return pointers from functions? Explain with example.

10

Explain different file I/O functions with example.

11

Write a program to draw a circle using graphics function

12

Write short notes On

  1. Compilation and execution
  2. Operator precedence and associativity