PrepWisePrepWiseComputer Science
3.4 Computer SystemsMedium Exam FrequencyOCR

Arithmetic Logic Unit (ALU)

Revise Arithmetic Logic Unit (ALU) 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.

Study this topic

1

The Super Calculator

Introduction2

Deep Dive: Why Logic Operations Matter

Deep Dive3

The Three Types of ALU Operations

Key Facts4

ALU Operation Examples

Diagram5

How the ALU Works with Other Components

Key Facts6

Exam Tips - The ALU

Exam Tips7

Knowledge Organiser: Arithmetic Logic Unit (ALU)

Summary

Sample Flashcards

What does ALU stand for?
Arithmetic Logic Unit
Where are ALU results stored?
Accumulator (ACC)

Exam questions for Arithmetic Logic Unit (ALU)

What does ALU stand for?

  • A. Arithmetic Logic Unit
  • B. Automatic Load Utility
  • C. Address Logic Unit
  • D. Arithmetic Load Unit
1 markfoundation

Explain how the role of the ALU differs from the role of the Control Unit (CU).

2 marksstandard

15

exam-style questions

12

revision flashcards

Ready to revise Arithmetic Logic Unit (ALU)?

Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.

Start revising free

Previous topic

Program Counter & Accumulator

Next topic

CPU Performance