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AQA A-Level Computer Science
Processor and Memory

AQA · A-Level Computer Science

Processor and Memory

4Topics

2.3hStudy time

In this section

4 topics

Buses, Memory and Computer Architectures

Describe processor, memory, buses and I/O controllers

Processor Registers and Fetch–Execute

Explain the ALU, control unit, clock and registers

Assembly Instructions and Addressing Modes

Apply immediate and direct addressing

Interrupts and Processor Performance

Explain interrupts and context restoration

Work through each topic to complete the section.