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Key Stages
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Computer Science
OCR
Representation of text, images and sound
  • Computer Science
    Lesson 1

    Representation using binary sequences

    1
    2
    1
  • Computer Science
    Lesson 2

    Representing text using ASCII and Unicode

    1
    2
    1
  • Computer Science
    Lesson 3

    Text file size calculation

    1
    2
    1
  • Computer Science
    Lesson 4

    Representing bitmap images

    1
    2
    1
  • Computer Science
    Lesson 5

    Bitmap file size calculation

    1
    2
    1

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