Range Number Systems

System	Range	N=8
Unsigned	[0,2^N-1]	[0,255]
Sign/Magnitude & Ones' Complement	[-(2^N-1-1),2^N-1-1]	[-127,127]
Two's Complement	[-2^N-1,2^N-1-1]	[-128,127]

Sign/Magnitude and ones' complement have two zeros. There is a weird number (100..000₂) in two's complement.

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