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Revision Name and Form

Links http://www.teach-ict.com/2016/GCSE_Computing/OCR_J276/OCR_J276_home.html User name sk179ea Password bitmap9 https://www.bbc.co.uk/education/subjects/z34k7ty https://www.gcsepod.com/

CPU

CPU

Von Neumann

Clock Speed and L1 and L2 Cache

Embedded Systems Advantages Disadvantages

Fetch Decode Execute Cycle 4 Stages

RAM and ROM RAM ROM

BIOS

Operating System Virtual Memory Flash Memory

Storage Devices Different Types – Optical Magnetic Tape Flash Memory HDD

Extras GUI Utility Software Full back up Incremental back up

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