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OCR GCSE Computer Science Exam Questions
1.1 Systems Architecture
1.1 question 14
Computer A has a single‑core 3.2 GHz processor; Computer B has a single‑core 1.2 GHz processor. Explain why A will usually run faster than B.
2
MARKS
Mark scheme
Higher clock speed → more FDE cycles per second, so more instructions executed per second (other factors equal).
Exam guidance
Award explanation that links higher GHz to more cycles/instructions per second.
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