Edexcel GCSE Computer Science: Data Representation - Topic 10 [OLD COURSE]

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This video covers representing real numbers in binary (fixed point and floating point), representing text (ASCII and Unicode), representing bitmap images (colour depth and resolution), analogue and digital data, and representing sound, light intensity and temperature (sampling and quantisation).

  1. MrBrownCS
  2. wjec
  3. quantisation
  4. ap
  5. talkthrough
  6. fixed
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Is this the right content for the computer science GCSE exam in 2018? I'm having to self-teach using the Edexcel textbook as I'm doing it as an extra GCSE, but the fixed point and floating point binary is not in it?

borisbaros
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Shouldn't Unicode be 2^16 (for 16 bits) which around 65, 000 characters and not 120, 000+ characters ? 13:00

parthjagtap