4 Representing Text HOF.pdf - Analog and Digital...

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EECS 1520 Week-05.2 -- October 5, 2017 page 1 Analog and Digital Information real world is continuous and infinite (data on) computers are finite need to obtain a finite representation (approximation) of the world, sufficient for our computational needs and our five senses analog data: information represented in a continuous form digital data: information represented in a discrete form information is digitized by breaking it into pieces the pieces are numbered the binary number system is preferred for representing these numbers analogy: measurement with a ruler finite number of marks on ruler must measure to the nearest mark marks on ruler are labeled (use binary numbers) how many marks? (see below)
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