
What is a Computer?
The Computer is an electronic machine or device and it is used for very big calculations and to solve the complex problems, issues, errors in just few seconds.
Human brain can not solve very big calculation in the short time that is why we take help from the computer.
You can also explain a computer definition as below.
The Computer is an electronic device, user can access information, retrieve and process the data.
How Computer Understands?
The computer do not understand a common human language which people talk like Sindhi, English or any other language.
The computer only can understands the machine language which we called it a binary language which is 0s and 1s.
When the user gives an instruction to the computer it converts the given function into the binary code then it gives the output result.
Main Parts Of The Computer
There are some important parts of the computer list as below.
Some of the computer parts are input devices and some are output devices.
- Cpu/Motherboard
- Monitor/LCD – Output Device
- Keyboard – Input Device
- Mouse – Input Device
- Speakers – Output Device
- Printer – Output Device
- Scanner – Input Device
Parts work and their functions
CPU
Central Processing Unit is the brain of the computer because it performs calculations and functions.

Motherboard
A Motherboard is an important circuit board of the computer and of all their components.
Components such as CPU, RAM, ROM and more others.

Monitor/ LCD
A Monitor is an output device of a computer when a user give a command or any instruction it will be shown on the LCD.

Keyboard
A keyboard is an input device which is used to enter the data, means it is for write the text, numbers and give a command to it.

Mouse
A mouse is an input device and it is used to control the cursor to select, click the items on computer screen.

Speaker
A speaker is an output device to hear the audio sound when user play any song or mp3 file.

Printer
A printer is an output device that is used to print the document pdf (portable document format) files such as Resume, Books, Posters, Flyers as hard copy.

Scanner
A scanner is an input device that scans documents and converts them into soft copy in the computer storage.

Computer Softwares
Computer consists on two types of softwares, Operating System (OS) Software and Application Software.
The operating system software controls the computer hardware and softwares.
Some of the popular operating system list is below.
- Microsoft Windows
- MacOS
- Linux
- Unix
- Android
- Chrome OS
Application Softwares
An Application Software is that which is used by a host to do a work or perform any activity.
Such as playing a game or using web browser to search or find something on the web, host can also use an editing software.
Some of the important application software list is below.
- Microsoft Office
- Chrome
- Adobe Photoshop
- Games
- Notepad
Types Of Computers
There are some different types of the computers.
Super Computer

The Super Computer is the fastest and powerful in the whole world.
It is used for scientific research by scientist, weather prediction and space research.
Mainframe Computer

It is used for huge and large number of data and it is used by the governments, banks, organizations and airlines also.
Minicomputer

It is used by medium size organizations and companies.
Microcomputer

The small computers used by individuals for their personal work and growth.
Some of the microcomputers names.
- Desktop Computer
- Laptop
- Tablet
- Smart Phone
- Smart Watch

