Computer Science GCSE
Two's complement signed representation
What Two's complement signed representation means in Computer Science GCSE, as defined for Pearson Edexcel.
Definition of Two's complement signed representation
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Read the wording for your board, then hide it and explain Two's complement signed representation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
The most significant bit is reserved as a sign indicator, where 0 means non-negative and 1 means negative.
Topics that use Two's complement signed representation
- Binary (Pearson Edexcel GCSE)
Related terms
- Arithmetic right shift
- Base 16 place value
- Logical right shift
- Range and overflow
- Two's complement representation
- Binary addition with carry
- Binary representation of data
- Carry out of the most significant bit
Using Two's complement signed representation in the exam
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