Computer Systems

Computer Systems

1. Input

   • Keyboard-A board with letters and numbers as individual keys so you can type on a computer.
   • Mouse-An object that rests on a table and can be moved freely around and moves a cursor and has clickable buttons.
   • Microphone-A device that turns sound waves into something that is stored electronically.
   • A game controller is a device used with games or entertainment systems to provide input to a video game, typically to control an object or character in the game.
   • Webcam-A small form factor camera than can be built into or sit on top of a display.

2. Output

   • Speaker-Usually a pair of things that vibrate and move to turn electronic sound back into sound waves.
   • Monitor-A device that outputs light o form images for our eyes to see.
   • Printer-A device that receives wireless communication from a computer so it can output paper with ink on it.
   • 3D Printer-can print plastic objects in 3D
   • Projector-A device that outputs light in a beam so it's size can be adjusted and shown on a wall.

3. Storage

   • Optical
     • Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc.
   • Magnetic
     • Magnetic storage or magnetic recording is the storage of data on a magnetised medium. Magnetic storage uses different patterns of magnetisation in a magnetisable material to store data and is a form of non-volatile memory.
   • Solid State
     • Comes in many forms such as a floppy disk, sd card or the classic memory stick . These are one of the most effective types of storage due to their small size, durability and portability.

4. Software

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