Computer Science GCSE
Two's Complement
What Two's Complement means in Computer Science GCSE, as defined for Pearson Edexcel.
Definition of Two's Complement
A method of representing signed integers (positive and negative numbers) in binary, where the most significant bit acts as a sign bit.
Topics that use Two's Complement
- Binary (Pearson Edexcel GCSE)
Related terms
Using Two's Complement in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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