LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

BA 15

B.Sc. DEGREE EXAMINATION – STATISTICS

FIFTH SEMESTER – November 2008

ST 5401 – C AND C ++

 

 

 

Date : 14-11-08                       Dept. No.                                          Max. : 100 Marks

Time : 9:00 – 12:00

PART A

 

Answer ALL questions.                                                                                                           (10×2=20)

 

1. Mention the difference between signed and unsigned integer.
2. Give the syntax of scanf() function.
3. If x = 12 and y = 10, what is the value of x&y?
4. What are recursive functions?
5. Write a C program to find the sum of squares of the first 10 integers.
6. Mention the difference between local and global variable.
7. What is meant by data hiding?
8. Give the syntax of declaring a structure.
9. Write a C++ program to calculate the simple interest.
10. What are header files?

PART B

 

      Answer any FIVE questions.                                                                                               (5×8=40)

 

1. Explain the various steps to be followed in writing a C program.
2. Write a C program to accept three integers and display the maximum among them.
3. Explain the syntax of switch – case statement and give an example.
4. Write a C program to accept ‘n’ integers and display their mean and variance.
5. What are public, private and protected access specifiers? Give an example for each.
6. Write a C++ program that makes use of the concept of polymorphism.
7. Write short notes on inline functions and operator overloading.
8. Write a C++ program to print the multiplication table form 1 to 12.

 

PART C

      Answer any TWO questions.                                                                                              (2×20=40)

 

1. a.) Explain the different data types available in C.

b.) Write a C program to accept two matrices each of order m x n and display

     their sum and difference.                                                                                                (10+10)

 

1. a.) Write a C program to arrange ‘n’ integers in ascending order.

b.) Create a structure by name ‘student’ that contains the following

     information: student id_no, marks in test 1 and test 2.  Write a C program to

     accept the above information for 10 students and display their average marks.       (10+10)

 

1. a.) Explain the different components of object oriented programming.

b.) What are friend functions? Give an example for the same.                                        (10+10)

 

1. a.) Write a C++ program to overload the operator ‘++’.

b.) Write a C++ program that makes use of the concept of hierarchical

     inheritance.                                                                                                                       (10+10)

 

 

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