What is Input,output and system units?

 Input Unit

• In Computer,input unit is defined as Input devices,which we can entered data into the computer.
• Any input that a computer receives must be Digitised.

Examples of input units

There are mnay examples of input units.

1. Mouse
2. Keyboard
3. Scanner
4. Joystick
5. Webcame
6. Camera
7. Touch Screen
8. MICR(Magnetic Ink Character Reader)
9. Gamepad,etc

Output Unit

• In Computer,output units defined as output devices,which we can see the result of output units.
• The bulk of computer output data designed for people is in audio or video format.

Examples of output units

There are many examples of output units.

1. Monitor
2. Printer
3. Speaker
4. Plotter
5. Projector
6. LCD/LED
7. Headphones
8. Microphones,etc

System Unit

• The computer system unit is the enclosure for all the other main interior components of the computer.
• It is also called Computer case.

Component of System Units

There are many components of system units.

1. Motherboard
2. Processor
3. Memory(RAM)
4. Power supply
5. Floppy Disk
6. Hard Disk
7. CD-ROM
8. DVD-ROM,etc

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