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GCSE Computer Science · key term
A device that generates regular electrical pulses to synchronise computer components.
Used by AQA and Edexcel
Paper 2
Revise: CPU Components and Main MemoryThe clock generates electrical pulses at a regular rate. These pulses synchronise operations so that components work together with the correct timing. Think of the clock as providing a regular beat for processing, rather than doing the processing itself.
Specification 3.1.1 · Paper 1
A component that generates regular pulses to synchronise CPU operations.
A clock pulse is not necessarily one complete instruction. Describe the clock as producing regular electrical pulses that synchronise operations.
Clock speed counts clock ticks per second, not necessarily completed instructions. One instruction can require several ticks.
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The clock generates regular pulses that synchronise CPU operations. These pulses provide the timing for the steps involved in fetching, decoding and executing instructions.
