COMPUTER SYSTEM

COMPUTER SYSTEM

1. Output

   • Printer - print out documents
   • Computer monitor - presents output as an image on the screen. An image is not just a photo. It is literally what you see on the screen that includes text.

2. Input

   • Keyboard - a device which allows the user to input data by pressing the keys
   • Mouse - allows the user to open software by moving the arrow around the screen.
   • USB - allows the user to transport information from one storage device to another
   • Touch screen - allows the user to navigate their way aoround the screen using their fingers.
   • Microphone - picks up your voice and converts it into digital input data.

3. storage

   • Magnetic
     • Magnetic tapes, floppy discs and hard disc drives are all magnetic storage devices.
     • Portable hard drive - small case along with some electronics that allow the hard drive to be accessed using a USB or similar connection
     • Magnetic tape - Tapes are used where large amounts of data need to be stored, but where quick access to individual files is not required. It is a typical use for data backup.
   • Optical
     • An optical disc drive is a device in a computer in which can read Cds or blu-ray discs
   • Solid state
     • SSS (solid state storage) is a type of computer storage media made up of silicon microchips. SSS stores data electronically instead of magnetically as spinning hard disk drives or magnetic oxide tape.

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