OCT /NOV-2011 (C-09)

C-09-CM-105/C09-IT-105

3025

BOARD DIPLOMA EXAMINATION, (C-09)

OCT /NOV-2011

DCM-FIRST YEAR EXAMINATION

COMPUTER FUNDAMENTALS & PROGRAMMING IN “C”

TIME: 3 Hours]                                                                     [Total Marks :80]

PART   - A

INSTRUCTION:  (1) ANSWER ALL QUESTION AND EACH QUESTION

                                           CARRIES THREE MARKS

                    (2)  ANSWER SHOULD BE BRIEF AND   STRAIGHT      TO  THE POINT AND SHALL NOT EXEED FIVE SIMPLE SENTENCES

1.     What is (i) Bit (ii) byte (iii) kilo byte?

2.     Convert into binary : FFFF₍₁₆₎=?₍₂₎

3.     Define Operating system.

4.     Define URL

5.     Draw any three symbols used in flow charts, and write their purpose.

6.     List any three arithmetic operators with their meanings.

7.     Define an array and give an example of array declaration

8.     List three advantages of using pointers in c languate.

9.     What is structure in c language.

10.  Give the syntax of fgetc() and fgets().

Instructions :    (1) Answer any five questions and each question carries ten marks.

                  (2) The answers should be comprehensive and the criteria for valuation   is the content but not the length of the answer.

11.  With a neat sketch, draw the block diagram of a digital computer and explain the functions of each block.

12.  Explain about any five internal commands of MS DOS with syntax and examples.

13.  Write five differences between LAN, WAN and MAN.

14.  (a) differentiate between ‘continue’ and ‘break’ statements in c. (b) explain about conditional operator in c.

15.  Write a c program to calculate the sum of natural numbers from 1 to 100

16.  Write a c program to find the product of two matrices.

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

18.  (a) write a c program to find the length of a given string.  (4 marks) (b) explain about the declaration of a pointer with an example (6 marks)