Quiz: Compression, Encryption, and Hashing
OCR H446 Computer Science Specification
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Welcome to this quiz on Compression, Encryption, and Hashing! Test your knowledge with 10 questions and learn more about these important concepts!
What is the main purpose of data compression?
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Which of the following are examples of lossless compression? (Select all that apply)
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Symmetric encryption uses the same {{blank0}} key for both encryption and decryption.
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Match the items on the left with their correct pairs on the right
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What is the main difference between symmetric and asymmetric encryption?
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If a file is compressed using Run-Length Encoding, reducing its size from 1 MB to 0.25 MB, what is the compression ratio?
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Match the items on the left with their correct pairs on the right
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What is the purpose of hashing in computer science?
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Which of the following are features of hashing? (Select all that apply)
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Match the items on the left with their correct pairs on the right
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