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OCR GCSE Computer Science Exam Questions
1.1 Systems Architecture
1.1 question 45
Describe the purpose of the Control Unit (CU) in the CPU.
2
MARKS
Mark scheme
The CU coordinates and controls the CPU, sending control signals to other components and decoding instructions ready for execution.
Exam guidance
Award for control/coordination and decoding; do not award vague terms like 'controls computer' alone.
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