A-LevelComputer ScienceHardware9618/32 · Oct/Nov 2023 · Q104 Marks

Describe the features of the SIMD and MISD computer architectures.

Mark scheme

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

[1] Single Instruction, Multiple Data (architecture) // Performs the same operation on multiple different data streams simultaneously.
[1] The instructions can be performed sequentially, taking advantage of pipelining.
[1] Parallel computers with multiple processors.
[1] Multiple Instruction, Single Data (architecture) // Performs different operations on the same data stream.
[1] Each processor works on the same data stream independently.
[1] Parallel computers with multiple processors.

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Topic: Hardware, A-Level Computer Science (syllabus 9618). Structured question, 4 marks.
Source: A-Level Computer Science, Oct/Nov 2023 Paper 3 Variant 2, question 10.

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