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Analog vs. Digital

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an-a-log, adj.

  1. Often analog. Of, relating to, or being a device in which data are represented by variable measurable physical quantities.

  • INFORMATION IS REPRESENTED IN ANALOG FORM BY LETTING THE VALUE OF ONE CONTINUOUS PHYSICAL PROPERTY STAND FOR (BE "ANALOGOUS TO") THE PHYSICAL PROPERTY ONE IS TRYING TO EXPRESS.

  • INFORMATION IS DIGITAL WHEN IT IS ENCODED USING A FINITE SET OF SYMBOLS
    • DIGITS
    • LETTERS
    • DOTS AND DASHES



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Williams College
Department of Computer Science
This page is part of a section of lecture slides related to " On Being Digital " within the topic "Why Digital?". Other slides within this section and other sections of slides for the topic "Why Digital?" can be accessed using the links below.
  • On Being Digital
  • On English Spelling
  • Being Digital
  • Analog vs. Digital
  • Analog vs. Digital
  • Analog vs. Digital
  • "DIGITAL" DOESN'T REQUIRE DIGITS
  • Why Binary?
  • Alphabet Independence
  • Alphabet Reduction
  • UNIFORM INFORMATION TRANSPORT
  • Digitizing the Non-digital
  • The Physics of Sound
  • A Mathematical Abstraction of Sound
  • Analog Representations of Sound
  • Sound Sampling
  • Digital Sound
  • Advantages and Disadvantages of Digitization
  • Approximation and Under-sampling
  • Sensitivity to Distortion