List of basic Input Devices, Output devices and Both input–output devices related to computer.
Input Devices:
Graphics Tablets
Cameras
Video Capture Hardware
Trackballs
Barcode reader
Digital camera
Gamepad
Joystick
Keyboard
Microphone
MIDI keyboard
Mouse (pointing device)
Scanner
Webcam
Touchpads
Pen Input
Microphone
Electronic Whiteboard
OMR (Optical mark reader) also known as (Optical mark recognition)
OCR (Optical character reader) also known as (Optical character recognition)
Punch card reader
MICR (Magnetic Ink character reader)
Magnetic Tape Drive

OUTPUT DEVICES:
Monitor (LED, LCD, CRT etc)
Printers (all types)
Plotters
Projector
LCD Projection Panels
Computer Output Microfilm (COM)
Speaker(s)
Head Phone
Visual Display Unit
Film Recorder
Microfiche

Both Input–OutPut Devices:
 Modems
Network cards
 Touch Screen

Headsets (Headset consists of Speakers and Microphone.
Speaker act Output Device and Microphone act as Input
Devices)
Facsimile (FAX) (It has scanner to scan the document and also
Have printer to Print the  document)

Audio Cards / Sound Card

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