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data representation
Member rating: No Rating | Words: | Submitted: Wed Jan 04 2006
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Computer systems Outcome 1 - data representation All data in a digital computer is stored electronically by means of groups of tiny switches which can either be ON or OFF. A switch that is ON has a voltage level of 5 Volts and a switch that is OFF holds a voltage level of 0 volts. It is convenient for us to use the Base 2 (Binary) number system to consider that ON represents Binary 1 and OFF represents Binary 0 (i.e. a two state system) (Binary is the simplest number system we know) A Binary digit or Bit as it is known, is the smallest amount of data that any computer can store. By grouping together 8 tiny switches (Bits) it is possible to have 256 different combinations of ON's and OFF's ranging from 0000 0000 to 1111 1111. Each different combination of 1's and 0's can be a code that represents...
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