Computer History

The amazing history of computers...

Before, way back in time, back when the first computer was invented...

The first computer was invented by a man called Charles Babbage in 1822. Over all of these years, the computers have developed and now they're part of our everyday life. We use computers for almost everything, work, school and also when we're just at home. It's important for us to know what is going on inside a computer including the inputs and outputs.

Input Devices

List of input devices:

  • Graphics Tablets
  • Cameras
  • Video Capture Hardware
  • Trackballs
  • Barcode Reader
  • Digital Camera
  • Gamepad
  • Joystick
  • Keyboard
  • Microphone
  • MIDI Keyboard
  • Mouse (pointing device)
  • Scanner
  • Webcam
  • Touch Pads
  • Pen Input
  • Electronic Whiteboard



Output Devices

List of output devices:

  • Monitor
  • Printers (all types)
  • Plotters
  • Projector
  • LCD Projection Panels
  • Computer Output Microfilm (COM)
  • Speaker (s)

Both Input and Output Devices

List of both input and output devices:


  • Modems
  • Network Cards
  • Touch Screen
  • Headsets (including speaker and microphone)
  • Facsimile (FAX) (including scanner and printer)

Hardware Devices

List of hardware devices:


  • Power Supply Unit (PSU)
  • Motherboard or Mainboard
  • Central Processing Unit (CPU)
  • Maths (floating-point) Processing Unit (FPU)
  • Graphics Processing Unit (GPU)
  • Audio Processing Unit (APU)
  • Memory Devices (RAM, ROM, PROM, EPROM and CMOS)
  • Mass Data Storage Devices (HDD, optical drive, solid state drive)
  • Output Devices (monitor, printer...)
  • Input Devices (keyboard, mouse...)


These are all different types of hardware devices, there are more hardware devices than just 10, but those are some examples of hardware devices. There are many components of a computer and devices that can get or give something to a computer.

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