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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 decimal value does 11111111 (8-bit two’s complement) represent?
Represent -7 in 5-bit two’s complement.
Convert -45 to 8-bit two’s complement.
Which process correctly produces the two’s complement of a binary number?
What is the correct description of two’s complement representation for signed integers?
Add these 4-bit two’s complement numbers: 0101 (+5) + 1011 (-5). What is the 4-bit result?
Add 8-bit two’s complement 01000001 (+65) and 01000001 (+65). What is the correct conclusion?
Convert -100 to 8-bit two’s complement.
What is the 8-bit two’s complement representation of +13?
Find the two’s complement (negation) of 00111011 (8-bit).
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