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Oak ComputingTest · Computing

Text file size calculation

The starter and exit quiz of the lesson “Text file size calculation”, 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. What is a digit of a binary number that can only be 1 or 0 called?
  2. What does a character set do?
  3. Match the term with its description:
  4. Why do computers use binary sequences?
  5. How many different characters can 8-bit ASCII represent?
  6. What is the main advantage of Unicode over ASCII?
  7. Put these quantities of bytes into order, smallest to largest:
  8. What is a byte?
  9. How many bits does ASCII use per character?
  10. How does Unicode differ from ASCII?
  11. If a text file contains 100 characters, what is the file size in bits using ASCII encoding?
  12. A text document has 50 characters. Calculate the file size in bytes when using 32-bit Unicode encoding.

License: OGL

Text file size calculation · Examplary