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Oak ComputingTest · Computing

Representing text using ASCII and Unicode

The starter and exit quiz of the lesson “Representing text using ASCII and Unicode”, from the unit “Representation of text, images and sound” (Year 10 Computing) by Oak National Academy.

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Oak National Academy

12 questions

  1. How many bits are there in a byte?
  2. What is the smallest unit of data in a computer?
  3. Arrange the following in order of increasing bits:
  4. What is the purpose of binary sequences in computers?
  5. What is the next binary number after 111?
  6. What is the binary equivalent of the decimal number 10?
  7. Match the following terms to their definitions.
  8. How many different values can be represented by a 3-bit binary number?
  9. If the ASCII value of 'A' is 65 in decimal, what is the ASCII value of 'C' in decimal?
  10. Why might we need more than just ASCII for character representation?
  11. How does Unicode differ from ASCII?
  12. What is the relationship between ASCII and Unicode?

License: OGL

Representing text using ASCII and Unicode · Examplary