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OCR GCSE Computer Science Exam Questions
1.1 Systems Architecture
1.1 question 10
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Draw one line from each part of the processor to its correct definition.
Draw one line from each part of the processor to its correct definition.
4
MARKS
Mark scheme
Award 1 mark per correct line linking component and definition (e.g., PC → next‑instruction address; ALU → arithmetic/logic; CU → controls/decodes; MAR/MDR → address/data).
Exam guidance
If 2 lines are drawn from one component, 0 for that row.
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