Systems ArchitectureHigh Exam FrequencyOCR

CPU Architecture

Revise CPU Architecture in Systems Architecture for GCSE Computer Science with 15 exam-style questions and 12 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.

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The Restaurant Kitchen

Introduction 2

Von Neumann Architecture Diagram

Diagram 3

Deep Dive: Von Neumann Architecture

Deep Dive 4

The Three Main Components of the CPU

Key Facts 5

The Three Buses - Data Highways

Key Facts 6

CPU Architecture Diagram

Diagram 7

Exam Tips - The CPU

Exam Tips

Sample Flashcards

What does CPU stand for?

Central Processing Unit

What does ALU stand for?

Arithmetic Logic Unit

Sample Questions

Which component of the CPU carries out arithmetic and logical operations?

A. Control Unit
B. Cache
C. Arithmetic Logic Unit (ALU)
D. Program Counter

1 markfoundation

Name three main components of the CPU and state the purpose of each.

3 marksstandard

exam-style questions

revision flashcards

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