Computer
Computer-
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| Computer |
-Defination
of computer:-
Computer is a
electronic device that accept dat from user ,processing data by performing
calculation and operations on it and generate output as a result for the users.
In simple lauguage we can say that computer is
a electronic machine that is able to take
information (as a input) , do some work on it
(processing) and make new information
(output).
A computer is understood to be a device that
computes or calculate or compute numbers.
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| Compters |
Function
of computer and some definitions:-
Input:- Informations or data that is enter
in computer.
Means that data which provide to
computer to performing operation on it. The most common input devices are
keyboard, mouse,magnetic tap readers etc.
Output:- The data which provide computer
for user after performing different operation.
It make
processed data available to user.
Storage:- It store data and programes.
Processing:- It is the sequence of actions
taken on data to convert it into information which is meaningful to user.It can
be calculations or decesions taken by computer.
Data:-Unprocessed row facts and figure
like numbers,text,audio,video etc.
Information:- When data is processed,organized
structure and presented in given context so as to useful.
Instructions:- It is the command given to computer
in computer lauguage by the user .
Program:- Set of instructions given to the
computer in order to perform some tasks.
Hardware:- It is the collections of the
physical elements that constituent a computer system.
Simply say -
all the physical component of the computer including keyboard, mouse, monitor
etc. are the part of hardware.
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| Computer Hardware(keyboard) |
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| Computer Hardware(Mouse) |
Software:- It is the set of programe and processures.
Simply say –
software tells hardware what to do and how to do.The program and
lauguage used by the computer are called software.
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