O-LevelComputer ScienceHardware2210/11 · May/June 2020 · Q56 Marks

Six components of a computer are given. Some are part of the central processing unit (CPU) of the Von Neumann model for a computer system. Tick (✔) to show if each component is a CPU component or is Not a CPU component. Component CPU component (√) Not a CPU component (√) Arithmetic logic unit (ALU) Hard disk drive (HDD) Memory address register (MAR) Random access memory (RAM) Solid state drive (SSD) Control unit (CU)

(a)Tick (✔) to show if each component is a CPU component or is Not a CPU component. Component CPU component (√) Not a CPU component (√) Arithmetic logic unit (ALU) Hard disk drive (HDD) Memory address register (MAR) Random access memory (RAM) Solid state drive (SSD) Control unit (CU) [6]

Mark scheme

Marking points from the official mark scheme (May/June 2020). The mark or mark type is shown in brackets.

[6] 5 (Table with ticks: ALU - CPU; HDD - Not CPU; MAR - CPU; RAM - Not CPU; SSD - Not CPU; CU - CPU) One mark per each correct row.

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Topic: Hardware, O-Level Computer Science (syllabus 2210). Structured question, 6 marks.
Source: O-Level Computer Science, May/June 2020 Paper 1 Variant 1, question 5.

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