Saturday, 13 April 2013

CFC DIPLOMA EXAM MARCH/APRIL-2013 (C-09)


C-09-CM-105/C09-IT-105
3025
BOARD DIPLOMA EXAMINATION (C-09)
MARCH/APRIL-2013
DCME-FIRST YEAR EXAMINATION
COMPUTER FUNDAMENTALS AND PROGRAMMING IN C
Time: 3 hours}                                   [Total Marks: 80
Part A
Instructions: (1) Answer all questions
                (2) Each question carries three marks
(3) Answers should be brief and straight to the point and shall not exceed five simple sentences.
1.       What is the result of the conversion 49 B5(16)=?(10)?
3.       What are the different types of operating systems?
4.       Write the advantages of a computer network.
5.       List the different symbols used to draw the flowchart.
6.       What are the bitwise operators?
7.       Define string. Give example.
8.       List the uses of pointers.
9.       Define union.
10.   Write a short note on random access.
PART-B
Instructions : (1) Answer any five questions. (2) Each question carries ten marks. (3) answers should be comprehensive and the criterion for valuation is the content but not the length of the answer.
11.   What are the functions of an output device? Explain any three different types of output devices.
12.   Explain installing a new hardware using control panel
13.   Explain various Internet connection methods.
14.   (a) write the difference between the while and do-while loops. (b) Write a C program to find the given year is leap year or not.
15.   Explain the structure of a c program with an example
16.   Write a c program to find the sum of elements of a single-dimensional array.
17.   Explain about local and external variables with example.
18.   (a) Explain the two-dimensional arrays with example. (b) write a c program using pointer to compute the sum of all elements stored in an array.


Friday, 12 April 2013

what is bit, byte, kilobyte?


A bit (short for binary digit) is the smallest unit of data in a computer. A bit has a single binary value, either 0 or 1.


and one bit is a single binary value of 1 or 0

Byte = 8 bits
Kilobyte = 1024 Megabytes
Megabyte = 1024 Kilobytes
Gigabyte = 1024 Megabytes
Terabyte = 1024 Gigabytes
Petabyte = 1024 Terabytes
Excabyte = 1024 Petabytes

Sunday, 7 April 2013

Starting a program using start button


Accessing Display Properties


components of Windows


Defragmentation


Drive Space


Files and Folders


Find option


Formatting a Floppy Disk


Installing and Unstalling Hardware


Installing a Modem and printer


Installing a new Software


Uninstalling Software


System Date and Time


Files and types of files


Advantages of Windows


Features of Windows


What is Windows