1.1.1 The purpose of the CPU

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Bite size revision for GCSE Computer Science

Laura James

9 episodes

1 week ago

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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Education

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

Courses

Education

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1.1.1 The purpose of the CPU

Bite size revision for GCSE Computer Science

9 minutes 22 seconds

5 years ago

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