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Number systems: binary, octal and hexadecimal

Computer Studies · Grade 10 · about 40 minutes

Why computers use binary, what octal and hexadecimal are for, and how to convert between all four systems.

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  • 5 sections of explanation, worked examples and diagrams
  • 2 practice tasks with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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