Quiz: Compression

OCR GCSE J277 Computer Science specification

11 Steps9 Questions

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Welcome to this quiz on compression. Test your knowledge with 10 challenging questions!

Multiple ChoiceInteractive

Which type of compression permanently removes some data to reduce file size?

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Multi-SelectInteractive

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

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Fill in the BlankInteractive

In {{blank0}} compression, data is permanently removed, while {{blank1}} compression allows data to be restored to its original form.

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MatchingInteractive

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

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Math EquationInteractive

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

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Code CompletionInteractive

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

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typedAnswer

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

Multiple ChoiceInteractive

What is an advantage of using lossless compression for text documents?

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Multi-SelectInteractive

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

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Fill in the BlankInteractive

Compressed files are useful because they {{blank0}} storage space and {{blank1}} transmission time.

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