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Data Representation

Covers Int2 Data Representation

Mr Purdie

on 20 May 2013

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Transcript of Data Representation

Data Representation Computer memory stores information in BINARY -
all ones and zeroes. Each location in memory is like a switch. "On" is 1. "Off" is 0. Each of these single digits is called a... BIT Eight of these is called a... 8 BITS = 1 BYTE 11010011 1 BIT 8 BITS -> 1 BYTE 1024 BYTES -> 1 KILOBYTE 1024 KILOBYTES -> 1 MEGABYTE Bricks and
Tyrannosaurs bits
terabytes Fast / expensive Slow / cheap Why binary?
Few rules for addition
Easy to represent on backing storage
Full transcript