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What is a computer?. WwW Project IT Literacy. Definitions. Computers are electronic devices that accept data, process data, produce output and store results. Accepting data=input Processing data= applications Produces output=output Stores results=storage. Input.

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what is a computer

What is a computer?

WwW Project

IT Literacy

definitions
Definitions
  • Computers are electronic devices that accept data, process data, produce output and store results.
  • Accepting data=input
  • Processing data= applications
  • Produces output=output
  • Stores results=storage
input
Input
  • The computer accepts input in many ways:
  • The keyboard, the mouse, a digital camera, a video camera, other external devices
processing
Processing
  • The computer processes the data that is input through software programmes or applications. Some people think of “processing” as though the computer were “thinking”.
  • Software Examples: MS Office, Windows, Skype, Keynote, Internet explorer,
output
Output
  • The computer lets you see the products coming out of the processing phase in various forms:
  • Print or Electronic
  • Screen based, or hard copy
  • The output can come as text, graphics, sound or as multi-media
storage
Storage
  • The data, and the results of the current processing are stored to start with in the main memory of the computer . This is what is referred to as RAM.
  • However, RAM is not a permanent place to store your data. It is best to use auxiliary storage devices.
  • Examples: floppy disks, CDs, DvDs, memory sticks, external hard drives, etc.