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Twos Complement (GCSE Computing)
The following is a GCSE Computing test covering 'Twos Complement' from the broader topic 1. Data Representation. The test is geared towards the CAMBRIGE-IGCSE exam board style syllabus.Incorrect: 0
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Convert -13 to an 8-bit two’s complement binary number.
What is the numeric range representable in 4-bit two’s complement?
What is one main advantage of two’s complement over sign-magnitude representation?
What 8-bit binary represents -128 in two’s complement?
What decimal value does the 8-bit two’s complement 10000000 represent?
Represent -7 in 5-bit two’s complement.
Find the two’s complement (negation) of 00111011 (8-bit).
When does overflow occur in two’s complement addition?
Add 8-bit two’s complement 01000001 (+65) and 01000001 (+65). What is the correct conclusion?
Add these 8-bit two’s complement numbers: 00000110 (+6) + 11111010 (-6). What is the 8-bit result?
What is the correct description of two’s complement representation for signed integers?
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