Input, Output & Storage (OCR A Level Computer Science)

Exam Questions

15 mins3 questions
12 marks

A small manufacturing business uses networked computers with closed source application software installed.

The business uses virtual storage to hold regular backups of all of its data.

Explain why virtual storage is well-suited for storing backups.

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24 marks

OCR Insurance uses a computer system to calculate the price that customers pay for car insurance.

The computer system contains a CPU, GPU, RAM and ROM.

Explain the difference between RAM and ROM, including how these are used by the computer system.

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39 marks

OCR Insurance uses a computer system to calculate the price that customers pay for car insurance.

OCR Insurance’s computer system uses secondary storage across the company in servers, client machines and for backup purposes.

For each of these, discuss whether magnetic storage or solid state storage would be most suitable, taking into account the advantages and disadvantages of both.

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