computer system

computer system

1. Output Devices

   • Projectors: they reflect things through computers onto screens.
   • 3D printer: prints out 3D objects.
   • Braille reader: helps blind people to read.
   • Speakers: project sound.
   • Plotter: prints out huge pictures.

2. Input devices

   • Keyboard: Enables you to put letters onto a screen.
   • Microphone: Makes your voice sound louder and project further.
   • Touchscreen: lets you interact with the screen and shows what you have touch through letters or actions.
   • Webcam: Allows you to and film and take photos of what you are doing.
   • Optical Pointer: Puts light on what you are focusing it on.

3. USB Memory stick: enables commu7nication between devices.

   • Storage
     • Hard disc: a rigid, non removeable magnetic disk with high storage.
     • Optical
     • Magnetic
     • Solid State
   • CDs: stores data to play sound and more.
     • Magnetics Tape: stores sound, pictures and computer data.
       • DVDS: compact disc that stores lots of data at high resolution.

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