Andhra University
MCA - 1103 (2354/I/01)

MCA Degree Examination
First Year - First Semester

Problem Solving and Programming Using C

(Effective from the admitted batch of 2000-2001)

Time: Three hours
Maximum: 75 marks

Answer Question 1 and any four questions.
Answer each question at one place.
All questions carry equal marks.

1.
a. Discuss about Top-Down problem solving

b. Describe briefly about various basic data types in C.

c. What are pointers? What are their advantages.

d. Distinguish between Stack and Queue.

e. What is enum? What are its advantages?

2.
a. Write a program to determine and print the sum of series for a given value of n: 1 + 1/2 + 1/3 + 1/4 + .. + 1/n

b. Write a program to find the GCD (m,n)

3.
a. Write a program to find the factorial of given number using recursion.

b. Explain about the various control structures in C language

4.
a. Distinguish between the following:
i. Global and Local variables
ii. Global and External variables

b. Write a program to count the number of characters, number of words, number of vowels in a given string.

5.
a. Write a program to implement the Stack.

b. Discuss about the various string handling functions.

6.
a. Explain how Input/Output operations on files handled in C.

b. Write a program to multiply a matrix 'p' of order 'm' with a matrix 'q' of order 'n'.

7.
a. What is sizeof operator? Explain how memory management is performed in C.

b. Write a program to sort a given list of numbers in ascending order by Quick sort.

8.
Write short notes on the following:
a. Break and continue
b. Passing value between functions
c. Error handling