1.1.1 The purpose of the CPU

Today we're looking at the purpose of the CPU, specifically the following parts from the OCR Computer Science Specification (https://www.ocr.org.uk/images/225975-specification-accredited-gcse-computer-science-j276.pdf)

the purpose of the CPU 

Von Neumann architecture:

MAR (Memory Address Register) MDR (Memory Data Register)  Program Counter  Accumulator 

common CPU components and their function:

ALU (Arithmetic Logic Unit) CU (Control Unit) Cache

the function of the CPU as fetch and execute instructions stored in memory 

clock speed

Helping you revise for your GCSE Computer Science exam with bite size podcast episodes from each of the topics from an experienced teacher

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• Latest episode: 2023-05-23
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