Edexcel Gcse 9-1 Computer Science Revision Guide Official

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: Includes exam-style practice questions ("Now try this"), target grades for every section, and at-a-glance check boxes to track progress. a revision planner

: Covers essential areas such as Algorithms (searches and sorts), Data (binary, hexadecimal, and compression), Computers (CPU architecture and operating systems), Networks , and The Bigger Picture (ethics and legal issues).