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Character Encoding: ASCII & Unicode

OCR J2771.2eGCSELesson packSubscription
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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.

  • 10 questions
  • 26 marks
  • about 20 minutes
  • marked instantly

Question types: short answer, multi-part, fill the gap, multiple choice, matching.

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Try one from this worksheet

Which of the following best describes the ASCII character set?

Pick an answer: it's marked straight away, just as your pupils would see it.

About this resource

Understand how computers represent text using character sets - including ASCII, extended ASCII and Unicode - and the relationship between bits per character and the total characters available.

14 slides.

Lesson outline

  1. Quick Question
  2. What Is a Character Set?
  3. ASCII - American Standard Code for Information Interchange
  4. ASCII Sequences
  5. Extended ASCII
  6. Unicode
  7. Character Encoding Explorer
  8. Character Set Calculations
  9. ASCII vs Unicode - Comparison
  10. Quick Check - True or False?
  11. Exam Practice - Character Encoding
  12. Discussion - Future of Character Sets
Unit bundle1.2 Memory and Storage
Part of: 1.2 Memory and Storage: the whole unitEvery resource in the unit in one zip.

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