DEFINITION OF COMPUTER
An electronic device which is capable of receiving information (data) in a
particular form and of performing a sequence of operations in accordance
with a predetermined but variable set of procedural instructions (program) to
produce a result in the form of information or signals.
a person who makes calculations, especially with a calculating machine.
According to OXFORD Dictionary
Windows Operating System
Windows 8 is a Microsoft operating
system (OS ) that is expected to be
released in late 2012.
Windows 7 is the seventh version of
the Microsoft Windows operating
Windows XP is an operating system
produced by Microsoft for use on
Windows Vista is an operating
system by Microsoft for use on
Classification of Computer:
Software is a general term for the
various kinds of program s used to
operate computer s and related devices
Hardware, in the computer world, refers
to the physical components that make up
a computer system.
Classification of Hardware:
1. Input Device
Data input device: a device that can be
used to insert data into a computer or
other computational device.
Any machine capable of representing
information from a computer. This
screens, printers, plotters, and
Computer Processing Device
Processing devices in a computer are responsible for controlling the storage and retrieval of information. The
information is processed by the computer processor (CPU), which performs data calculations, data
comparisons, and data copying with the information from the processing devices. The CPU then saves that
information to the computer memory (RAM).
Basic term of Computer
To open Computer prass it
Open any user account.
Screen off but application running.
Screen off but application
Re-open the computer.
Exchange user accout without log off.
To close all application.
Just close a user account.
How to use the Mouse
Just click left button of mouse.
Double click left button of mouse.
ust click left button of mouse.
Go Up & Down by scrolling of mouse.
Mouse click and Drag
Click for moving.
Basic terms application
Put the program on the taskbar
Make windows size from corner to corner of the screen.
The windows size is a little smaller than one.
The programe is closed.
How to use sound Recorder
Click Start Menu
Click all Programs
Click Sound recorder
Click Start Recording
Speak to near to the build –in speaker
Click stop When you are done talking
Then save it.
How to create User Account in windows 7
Click the start button,
Click Control panel,
Click user accounts,
Click manages another account. If you’re prompted for an administrator
Click create new account
Type the name you want give the user account, click an account type, and then click create account.
How Change Desktop Background and Screen Saver
Right Click the Desktop
Click Desktop Background
Click the Picture what you use.
Click Save change
Click Screen Saver and choose then Apply
Click Start Button
Right click on the Computer,
Then click properties.