Madras University (UnOM) 2008 B.C.A Computer Application - university paper

APRIL 2008 "C" 46404/PK2B
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Time : 3 hours Maximum : 100 marks

PART-A---(10*3=30 MARKS)
Answer any TEN ques..

1.Differentiate ranging from indentifiers and keywords.
2.Write a note on unary operators in c.
3.What do you mean by nested control structures?
State the rules.
4.Differentiate ranging from break and continue on statements.
5.Write a note on comma operators.
6.Define prototype.
7.Write a note on multifile programs.
8.What do you mean by recursion?
Write a recursive program to obtain factorial of a number.
9.What are user described data types?
10.Differentiate ranging from structure and union.
11.Define the meaning of * a[10] and (*a)[10].
12.How will you test the end of file?

PART-B--(5*6=30 MARKS)
Answer any 5 ques.
13.Write a program to obtain the maximum of
3 numbers using conditional operator
14.Explain the switch structure with an example.
15.Write a program to obtain the standard deviation
of a set of numbers.
16.Explain the general structures of a function.
17.Explain the methods to pass argurments.
18.Explain the bitwise operators.
19.How to pass pointers to functions? discuss with an example.

PART-C--(4*10=40 MARKS)
Answer any 4 ques.

20.(a)Explain the relational, logical and assignment operators in c.

(b)Explain any 4 mahematical library functions in c.
21.There are n students in a co-education class. For every learner
the sex code (1 for male and two for female) and height are available.
Write a program to obtain the avg. male height and the avg.
female height.
22.Discuss the storage classes.
23.Write a program to evaluate ncr using a recursive function to obtain n!, where
ncr = n!
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r!(n!-r!)!
24.Write a program to multiply 2 matrices of order m x n and n x l.
25.Write a program to create a sequential data file called NUMBER.DAT
with a set of integer numbers. Write a different program to learn numbers
from the created file and create 2 files namely ODD.DAT and EVEN.DAT
with odd and even numbers respectively


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Earning:   Approval pending.