Step-by-Step Lesson

Learn: Compression

OCR GCSE J277 Computer Science specification

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Steps in this lesson (11)

1
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Match the items on the left with their correct pairs on the right

2
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Match the items on the left with their correct pairs on the right

3
Multiple ChoiceInteractive

What is the purpose of compression?

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4
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Match the items on the left with their correct pairs on the right

5
Fill in the BlankInteractive

Lossless compression ensures {{blank0}} data is retained, while lossy compression {{blank1}} some data permanently.

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6
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Match the items on the left with their correct pairs on the right

7
Multiple ChoiceInteractive

Which of the following is a benefit of compression?

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8
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Match the items on the left with their correct pairs on the right

9
MatchingInteractive

Match the items on the left with their correct pairs on the right

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10
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Match the items on the left with their correct pairs on the right

11
Multi-SelectInteractive

Which of the following are true about compression? (Select all that apply)

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