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O-LevelComputer ScienceHardware2210/12 · May/June 2019 · Q25 Marks

A finance company uses off-line storage to archive their accounts.

(a)Explain what is meant by off-line storage.[2]
(b)(i)Give one example of primary storage.[1]
(b)(ii)Give two examples of secondary storage.[2]

Mark scheme

Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.

[2] Two from: It is non-volatile Can be easily disconnected from the computer It is not directly accessed by the CPU Suitable example e.g. CD, DVD, USB flash memory
[1] One from: ROM RAM
[2] Two from: HDD SSD Flash memory

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About this question

Topic: Hardware, O-Level Computer Science (syllabus 2210). Structured question, 5 marks.
Source: O-Level Computer Science, May/June 2019 Paper 1 Variant 2, question 2.

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