O-LevelComputer ScienceHardware2210/11 · May/June 2023 · Q34 Marks

Secondary storage devices are used to store data in a computer.

(a)Circle three components that are secondary storage devices. central processing unit (CPU) compact disk (CD) hard disk drive (HDD) random access memory (RAM) read only memory (ROM) register sensor solid-state drive (SSD)[3]
(b)Tick (✔) one box to show which statement about secondary storage is correct. A It is directly accessed by the CPU. B It is magnetic storage only. C It is used to permanently store software and data files. D It is volatile.[1]

Mark scheme

Marking points from the official mark scheme (May/June 2023). The mark or mark type is shown in brackets.

[3] One mark for each correctly circled storage device: • Compact disk (CD) • Solid-state drive (SSD) • Hard disk drive (HDD)
[1] C

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Topic: Hardware, O-Level Computer Science (syllabus 2210). Structured question, 4 marks.
Source: O-Level Computer Science, May/June 2023 Paper 1 Variant 1, question 3.

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