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what are the the main components of computer system explain?

What are the main components of computer system:

Computer has four components

·        Input unit

·        Output unit

·        Central processing unit

·        Storage unit

Input unit:

Ø The unit which is responsible for getting input from the user for the computer is called input unit.

Ø Or

Ø Entering  the data from input device

Ø Or

Ø Input unit can accept the data from user

The input devices are:

·        Keyboard

·        Mouse

·        Joystick

·        Game pad

·        Light pens

Secondary storage devices etc

Output unit:

Ø The unit which is responsible to show the response of computer to the user is called output unit.

Ø Or

Ø Displaying  the processing thought output devices.

Ø Or

Ø Displaying  data through output devices for users.

The output devices are:

·        Monitor

·        Printer

·        Speakers

·        Secondary storage devices etc.

Central processing unit:

Ø The central processing unit is the brain if the computer system .

Ø This is the administrative section of the computer.

Ø It supervises the operations of the other computer units.

Ø The cpu is connected to all parts of the computer.

Ø The cpu receives the data/instruction given by the user processes accordingly and produce the output.

Ø The cpu not only executes the instruction but also all other activities whose temporary storage of data, input/output activities all are attached with it

Storage unit:

Ø This unit is to store the data permanently for the user use is called storage unit .

There are following storage devices

·        Hard disk

·        Floppy disk

·        Usbs

·        Card i.e., memory cards

Ø In this unit hard disk can store data in a huge amount .

Ø Through this unit the data is transferred from one computer to another.

   Read more

    first generation of computer

   second generation of computer

     third generation of computer 

 fourth generation of computer