3.4 Computer SystemsMedium Exam FrequencyOCR

CPU Performance

Revise CPU Performance in 3.4 Computer Systems for GCSE Computer Science with 15 exam-style questions and 12 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

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The Restaurant Kitchen Revisited

Introduction 2

Deep Dive: Why We Need All Three Factors

Deep Dive 3

Factor 1: Clock Speed (Measured in GHz)

Key Facts 4

Factor 2: Number of Cores

Key Facts 5

Factor 3: Cache Memory (L1, L2, L3)

Key Facts 6

Performance Factor Comparison

Comparison 7

Exam Tips - CPU Performance

Exam Tips 8

Knowledge Organiser: CPU Performance

Summary

Sample Flashcards

Three CPU performance factors?

Clock speed, cores, cache

What is clock speed measured in?

GHz (gigahertz) - billions of cycles per second

Exam questions for CPU Performance

What does clock speed measure in a CPU?

A. The amount of RAM installed in the computer
B. The number of instructions the CPU can process per second
C. The size of the CPU cache memory
D. The number of processor cores available

1 markfoundation

Describe three factors that affect CPU performance.

3 marksstandard

exam-style questions

revision flashcards

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