Chapter 4: Components of a Computer: Input Devices

A-level Computer ScienceOCR6 topicsHigher

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Network Topologies, Protocols and Layers Long-Answer Questions

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4 questions24 marks36 min

standard / hard / synoptic

6 marksdescribestandardOCR A

CS04-1 protocol layering: describe how the TCP/IP stack and packet switching operates in a browser requesting a secure web page, using precise OCR H446 terminology.

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6 marksexplainstandardOCR A

CS04-2 applied case: explain why the TCP/IP stack and packet switching would affect a browser requesting a secure web page, including one limitation or trade-off.

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6 markswritehardOCR A

CS04-3 task for protocol layering: write a response using the TCP/IP stack and packet switching in a browser requesting a secure web page; produce a layer-by-layer explanation.

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6 marksevaluatesynopticOCR A

CS04-4 synoptic judgement: evaluate the suitability of the TCP/IP stack and packet switching for a browser requesting a secure web page, comparing it with one credible alternative.

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3. Components of a Computer: Types of Processor

5. Components of a Computer: Output Devices

Key learning objectives

Understand the key principles behind Components of a Computer: Input Devices.
Apply these ideas to exam-style questions.
Recall the essential definitions and key terms.