Introduction to computers
INTRODUCTION
A Computer is an
electronic device which performs operations such as accepts data as an input,
store
|
the data, manipulate or process the data and
produce the result as an output.
|
Main task performed by a computer:-
·
Accept the data
·
Process or manipulate the data
·
Display or store the result in the form of human
understanding
·
Store the data, instructions and results.
A
computer system is a collection of
hardware and software components designed to perform computations very
effectively.
Computer
system consists of four parts:
a)Hardware:-Any device of the
computer you can touch. Hardware consists of inter connected electronic devices
that you can use to control the computer’s operation.
b) Software:-is a collection of
programs which can performs several tasks.
c) Data:-it consists of raw facts,
which the computer stores and reads in the form of numbers.
d)People(or)User:-people are the
computer operators.
ADVANTAGES OF A COMPUTER (OR)
FEATURES OF A COMPUTER
High
speed
Accuracy
--Reliability
Diligence
Versatility
and Storage etc..
APPLICATIONS OF A COMPUTER
Education,
Business,
Defense and Military,
Medical,
Engineering,
Engineering,
Transportation,
Multimedia,
Industries,
Industries,
Communications,
Space Technology,
Research,
Research,
Science and etc..
DISADVANTAGES OF A COMPUTER
Spoil
eye sight if look on the monitor for a long time
Expensive
to buy a computer
If
Spoil have to go repair
Use
of computers require additional infrastructure such as power supply and Software
back up.
A computer can
understand only binary language (or)
machine level language (or) low level Language (or) 0’s and 1’s.
Program is a set of instructions (or) statements that performs a particular task
Labels: C Programming ( Unit 1 )
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