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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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To compute A - B using two’s complement arithmetic you should:
What is the numeric range representable in 8-bit two’s complement?
What decimal value does the 8-bit two’s complement 11101010 represent?
What decimal value does the 8-bit two’s complement 10000000 represent?
Which numeric operation is made simpler by two’s complement representation in digital hardware?
Which process correctly produces the two’s complement of a binary number?
Add these 8-bit two’s complement numbers: 00000110 (+6) + 11111010 (-6). What is the 8-bit result?
Find the two’s complement (negation) of 00111011 (8-bit).
What decimal value does the 4-bit two’s complement 1001 represent?
When does overflow occur in two’s complement addition?
What is the 8-bit two’s complement representation of -1?
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