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OCR A-Level Computer Science
Compression, Encryption and Hashing

OCR · A-Level Computer Science

Compression, Encryption and Hashing

2Topics

1.2hStudy time

In this section

2 topics

Lossless and Lossy Compression

Compare lossless and lossy requirements

Symmetric, Asymmetric Encryption and Hashing

Compare symmetric and asymmetric encryption

Work through each topic to complete the section.