Tribhuwan University

Institute of Science and Technology

2079

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.
List the advantages and disadvantages of global variable. Assume the two data files "numl.txt" and "num2.txt" containing integers. Merge these two files to the third file named " file3.txt". Here, the integers of " file3.t-xt" must be written in sorted order.[10]
2.
How nested Structure is defined and initialized? Explain with an example. Write a program, using structure, to input records of 10 students. Members include name, roll number, marks obtained in math, C program and English. Display the records of students who have passed in C Program. [4+6]
3.
When do we use for loop and while loop? Compare the while and do while loop with suitable example. Write a program to find average, minimum and maximum age in a class of 20 students. [4+6]
Section B

Short Answers Questions

Attempt any Eight questions.
[8*5=40]
4.
What do you mean by flowchart? Draw a Flowchart to find the largest among three numbers entered by user. [5]
5.
Why array and pointer is similar? Write a program to show the similarity between an array and pointer. [5]
6.
Write a program to find the sum of diagonal elements of n*n matrix. [5]
7.
How keyword is different from Variables? Discuss Basic data types with its ranges. [5]
8.
What is operator associativity? Explain conditional and Logical operators in brief. [5]
9.
Write a program with a function that takes an array as an argument and returns its sum to the main function. [5]
10.
How do you include a file to another file? Illustrate with an example. [5]
11.
Write a program to display the following pattern using the string "NEPAL".
$N$
$NE$
$NEP$
$NEPA$
$NEPAL$
[5]
12.
Write short notes on: a) Macro vs Function Write short notes on: b) Break vs Continue [2.5+2.5]