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Binary

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Question 24

A microcontroller uses 6-bit registers. Explain why it is not possible to represent the negative denary equivalent of the 6-bit unsigned binary integer 101101 as a 6-bit signed two's complement integer.

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Markscheme

Binary Questions

  1. GCSE
  2. /Computer Science
  3. /Binary

117 exam-style questions on Edexcel GCSE Computer Science Binary, covering Binary representation and number of states, Unsigned and two's complement integers, Converting denary and 8-bit binary, Binary addition and binary shifts, Concept of overflow, and Hexadecimal notation and conversion. Each one has a worked solution and a mark scheme showing where the marks go.

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