EPISODE · Dec 18, 2019 · 9 MIN

1.1.1 The purpose of the CPU

from Bite size revision for GCSE Computer Science · host Laura James

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

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1.1.1 The purpose of the CPU

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