Sunday, 28 April 2013
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