April 2008

Time : Three Hours                                                                            Maximum : 100 marks
                                                        PART-A (10 * 3 =30 marks)
                                                       Answer any Ten questions.
                                                  All Questions carry equal marks.

1. Differentiate between identifiers and keywords.
2. Write a note note on Unary operators in C.
3. What do you mean by nested control structures? State the rules.
4. Differentiate between break and continue statements.
5. Write a note on Comma operators.
6. Define Prototype.
7. Write a note on multifile programs.
8. What do you meany by recursion? Write a recursive program to find factorial of a number.
9. What are user defined data types?
10. Differentiate between 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 FIVE questions.

All questions carry equal marks.

Write a program to find the maximum of three numbers using conditional operator.

Explain the switch structure with an example.

Write a program to find the standard deviation of a set of numbers.

Explain the general structure of a function.

Explain the methods to pass arguments.

Explain the bitwise operators.

How to pass pointers to functions? Explain with an example.

PART-C (4 * 10 = 40 marks)

Answer any FOUR questions.

All questions carry equal marks.

1. Explain the relational, logical and assignment operators in C.
2. Explain any four mathematical library functions in C.

There are n students in a co-education class. For each student the sex code (1 for male and 2 for female) and height are available. Write a program to find the average male height and the average female height.

Discuss the storage classes.

Write a program to evaluate ncr using a recursive function to find n! where

                     n!

ncr =    --------------

                 r! (n-r)!

Write a program to multiply two matrices of order m*n and n*l.

Write a program to create a sequential data file called NUMBER.DAT with a set of integer numbers. Write another program to read numbers from the created file and create two other files namely ODD.DAT and EVEN.DAT with odd numbers and even numbers respectively.