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 engaging questions designed for A-Level beginners.
What is the main purpose of compression in computing?
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Which of the following are examples of lossless compression techniques? (Select all that apply)
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Encryption transforms data into a format that is unreadable without a {{blank0}}.
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Match the items on the left with their correct pairs on the right
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A hash function generates a checksum. If the input is '12345', the hash output is 67890. What is the checksum value?
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Which encryption method is typically faster but less secure for large data transfers?
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Match the items on the left with their correct pairs on the right
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Match the items on the left with their correct pairs on the right
What is the main use of hashing in computing?
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Which of the following are characteristics of hashing? (Select all that apply)
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