3 Sept 2013

Computer System



DATA REPRESENTATIONS.

  • Using two binary digits 1 and 0 represent on and off. 
  • Computer recognizes 2 discrete electrical state ( on and off ).


BIT.

- Smallest unit of data the computer can process.
- Represent electrical state ( on or off ).


BYTE.

- A group of 8 bits.
- Represent single character.

  •  ASCII the most widely used coding scheme to represent data.








    


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