Data Representation - Twos Compliment (GCSE Computing)

The following is a GCSE Computing test covering 'Data Representation - Twos Compliment'

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Question 1

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Does adding 01000000 and 01000000 in 8-bit two`s complement cause overflow?

Which 8-bit two`s complement binary represents decimal -128?

What is the 8-bit two`s complement representation of decimal -100?

What is the 8-bit two`s complement representation of decimal -45?

For n-bit two`s complement numbers, what is the representable range?

What is the range of values for 4-bit two`s complement?

What is the 8-bit two`s complement result of 11110010 + 00001101?

Which 5-bit two`s complement binary represents decimal -16?

What is the decimal value of the 8-bit two`s complement number 11101100?

What is the 8-bit two`s complement representation of decimal -15?

What is the 8-bit two`s complement representation of +127?

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