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Revision Videos

Walk-throughs for OCR A-Level Computer Science (H446), organised by specification section. Each video sits next to the topics it covers, so you can go straight from watching to the notes, flashcards and exam questions. 1 of 8 sections has a video so far; the rest are listed below and link to the written revision material in the meantime.

Paper 1: Computer Systems

Section 1.1

The characteristics of contemporary processors, input, output and storage devices

H446/01

Sections without a video yet

Videos for these sections are still being chosen. Until then, every topic has full notes, flashcards and past paper questions.