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Representing Text — ASCII

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This worksheet marks itself

Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 8 questions
  • 22 marks
  • about 30 minutes
  • marked instantly

Question types: multi-part, short answer, multiple choice, true or false, matching.

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What is the main job of ASCII?

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About this resource

Computing — Binary & the Language of Computers, Lesson 4. How every character (letter, digit, symbol) is given its own binary code using ASCII, and why capital and lowercase letters have different codes.

11 slides.

Lesson outline

  1. Do Now — Retrieval
  2. Every Character Needs a Code
  3. Quick Check — Binary Everywhere
  4. Character Encoding Explorer
  5. Case Matters! 'A' vs 'a'
  6. Hinge Check — Same Letter, Same Code?
  7. Beyond English — Unicode
  8. Main Activity — Crack the ASCII Code
  9. Plenary — Back to Our Objectives
Unit bundleBinary
Part of: Binary: the whole unitEvery resource in the unit in one zip.

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