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Oak ComputingTest · Computing

Representing sound

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

Free to use. Edit it, share it and hand it out to your students.

Oak National Academy

12 questions

  1. What is a bitmap image?
  2. Put these elements in order from smallest to largest:
  3. What is the term for facts and figures in their raw form?
  4. What term describes the total number of pixels in an image based on its width and height?
  5. What is a trade-off in image design?
  6. What happens if you increase the resolution of an image?
  7. What is a sample in the context of sound digitisation?
  8. What does digitisation mean?
  9. What is sample rate?
  10. What happens if you increase the sample rate of a sound file?
  11. What is measured in hertz (Hz) during sound digitisation?
  12. Why must the sample rate and resolution remain consistent during digitisation?

License: OGL

Representing sound · Examplary