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Analog vs. Digital

Analog vs. Digital. Analog (A). Europeans say “analogue” Analog data represented by some form of continuous signal / representation Examples: sound waves records VHS. Digital (D). Digital data represented by discrete quantities (not continuous) Examples CDs DVDs. A/D Conversion.

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Analog vs. Digital

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  1. Analog vs. Digital

  2. Analog (A) • Europeans say “analogue” • Analog data • represented by some form of continuous signal / representation • Examples: • sound waves • records • VHS

  3. Digital (D) • Digital data • represented by discrete quantities (not continuous) • Examples • CDs • DVDs

  4. A/D Conversion

  5. Sampling

  6. A/D Applications • Sound recordings  CD storage • Given sound wave • Take samples • Convert samples to binary • Store onto CD • Temperature sensing  computer storage • Temperature changes continuously • Take samples • Convert samples (values) to binary • Store on the computer

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