LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

HC 01

FIRST SEMESTER – APRIL 2007

CS 1500 – INTRODUCTION TO C PROGRAMMING

 

 

 

Date & Time: 24/04/2007 / 1:00 – 4:00 Dept. No.                                             Max. : 100 Marks

 

 

PART A

 

Answer all questions:                                                                                    10 X 2 = 20

 

1. Define flowchart. Give an example
2. What do you mean by output specifications in the problem definition phase?
3. What is an identifier?
4. What is Ternary Operator? Give e.g.
5. Write a Program in C that reads a line of text into the computer and then writes it back.
6. List out any four-string library functions in C.
7. Define function.
8. How will you initialize a three dimensional array. Give example
9. What is pointer variable?
10. What is User Defined Data type? Give example.

 

 

PART B

 

Answer all questions:                                                                              5 X 8 = 40

 

11 a) Discuss the steps involved in developing a computer programming.

Or

1. b) Write an algorithm to find the biggest among four numbers.

 

12 a) Explain any four different types of operators in C Language with an example.

Or

1. b) Describe basic data types and its memory range in C with example.

 

13 a) Write a program in C to swap two values using call by reference.

Or

1. b) A student’s letter grade is calculated according to the following schedule. Write a C program

that accepts a student’s numerical grade, converts the numerical grade to an equivalent letter

grade and display the letter given below.

Numerical grade                                                letter grade

>= 90                                                                A

>=80 and < 90                                                   B

>= 70 and < 80                                                  C

>=60 and < 70                                                   D

< 60                                                                  F

 

 

 

 

14 a) Discuss the various storage classes in C.

Or

1. b) What is a recursive function? Explain with an example.

15 a) Define union with example. How it’s differ from structure.

Or

1. b) Define union variable named car that contains an integer named year, an array of ten

characters named name, and an array of ten characters named model.

 

 

PART C

 

Answer any two questions:                                                                                  2 X 20 = 40

 

16a) Discuss briefly about the problem definition phase in Computer Programming.

1. b) Discuss briefly about the types of Constant in C with example.

17a) Define Array. Give an example for single dimensional array.

1. b) What is a structure? Explain the accessing and processing of structure with example.

18a) Explain briefly about Pointer Arithmetic with example.

1. b) Explain the various file related operations available in C.

 

 

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