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EnglandComputer ScienceQuick questions
Component 2: Computer Architecture, Data, Communication and Applications
Quick questions on Compression, encryption and error detection - Eduqas A-Level Computer Science Component 2
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Give one situation where lossless compression must be used rather than lossy. [1 mark]
What is q2?Show answer
In asymmetric encryption, which key is used to encrypt and which to decrypt? [2 marks]
What is q3?Show answer
For even parity, what parity bit is added to the code ? [1 mark]
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