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Representing Images & Sound

OCR J2771.2fGCSELesson packSubscription
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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.

  • 11 questions
  • 30 marks
  • about 25 minutes
  • marked instantly

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

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Which of the following best describes sample rate?

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About this resource

Understand how bitmap images are stored using pixels, colour depth and resolution, and how sound is sampled and stored digitally - including file-size calculations for both.

17 slides.

Lesson outline

  1. What Is a Bitmap Image?
  2. Colour Depth & Resolution
  3. Bitmap Image Explorer
  4. Calculating Image File Size
  5. Image Calculation Practice
  6. Image Metadata
  7. Quick Check
  8. How Sound Is Stored Digitally
  9. Sample Rate & Bit Depth
  10. Sound Sampling Visualiser
  11. Calculating Sound File Size
  12. Sound Calculation Practice
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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