OCR GCSE 9-1 Computer Science 1.1 System Architecture

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 The purpose of the CPU
 Von-Neumann architecture: MAR (Memory Address Register), MDR (Memory Data Register), PC (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
 How common characteristics of CPUs affect their performance: clock speed, cache size, number of cores
 Embedded systems: (purpose and examples)

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  • 1.1-System-architecture.pdf

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Created: Jul 31, 2016

Updated: Aug 28, 2018

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1.1-System-architecture

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