Tribhuwan University

Institute of Science and Technology

2080

Bachelor Level / First Year / First Semester / Science

Bachelors in Information Technology (BIT102)

(C Programming)

Full Marks: 60

Pass Marks: 24

Time: 3 Hours

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

The figures in the margin indicate full marks.

Section A

Long Answers Questions

Attempt any TWO questions.
[2*10=20]
1.
What is an array? How an array can be passed as function argument? Write a program to arrange an array having 10 integer numbers in ascending order using function.[10]
2.
Explain different control structures in C. Write a program in C to perform different arithmetic operations on two integers and display the result based on choice made by user using switch statement.[10]
3.
Differentiate between structure and union? Write a program to read employ id, name, post and salary of employee and display detail of those employee whose post is 'clerk'.[10]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
What is recursion? Write a program to find the factorial of a given integer using recursion. [5]
5.
What are conversion specifiers? Explain the basic structure of a C program. [5]
6.
Explain nested if else ladder with suitable example. [5]
7.
Explain structure of for loop. Write a program to reverse a number entered by user. [5]
8.
What is DMA? Write a program to read N numbers and find largest and smallest number using DMA. [5]
9.
Why data file is needed? Write a program to write N numbers in file 'number.txt' and then read it and display only even numbers. [5]
10.
List out different operators in C. Explain Logical and relational operator. [5]
11.
What is pointer? Explain the similarity between array and pointer in brief. [5]
12.
Write short notes on: a) Macro Write short notes on: b) Opening and closing file [2.5+2.5]