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Reg No.: EES

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
B.Tech degree examinations (S), September 2020 (S1/S2 - 2015 Scheme)

00000CS100121802

Course Code: CS100
Course Name: BASICS OF COMPUTER PROGRAMMING (CS, IT)

Max. Marks: 100 Duration: 3 Hours
PART A
Answer all questions, each carries 2 or 3 marks. Marks
1 What are pre-processor directives? Give two examples. (3)
2 Discuss the concept of command line arguments in C. (3)
3 Evaluate the function ‘y’ using conditional operator. (3)
{i ifx>5
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4 What is the purpose of ‘return’ statement? Can multiple ‘return’ statements be (3)
included in a function? Justify your answer.
5 Differentiate between malloc and calloc functions in C. (3)
6 What are global variables? Give examples. (3)
7 Describe the precedence and the associativity for the bitwise shift operators. (3)
8 What are the uses of ftell( ) and rewind( ) function? (3)
9 What is the purpose of the one’s complement operator? To what types of (2)
operands does it apply?
10 Differentiate formal and actual arguments in a function. (2)
11 Explain single dimensional array with an example. (2)
12 Develop a C program to generate Fibonacci series. (2)
13 Write a C program to copy a string without using a built in function. (2)
14 Explain nested structure with an example. (2)
15 Describe the different ways to categorize data files in C. (2)
16 Write a program to find the length of a string using pointers. (2)
PART B
Answer any four full questions, each carries 8 marks.
17 a) With suitable examples describe the conditional statements in ۰ (5)
b) Write a ९ program to find the factorial of a number. (3)
18 a) Discuss the structure of a C program with an example. (5)
b) Write a C program 10 print Floyd’s triangle. (3)
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