Chapter 15: Exchanging Data: Compression, Encryption and Hashing
A-level Computer ScienceOCR6 topicsHigher
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12 exam-style MCQs per topic
Worked feedback after each question
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Key learning objectives
- Understand the key principles behind Exchanging Data: Compression, Encryption and Hashing.
- Apply these ideas to exam-style questions.
- Recall the essential definitions and key terms.