When signed number are used in binary arithmetic, then which one of the following notations would have unique representation for zero?
A. Sign-magnitude
B. 1's complement
C. 2's complement
D. 9's complement
Answer: Option C
A. Sign-magnitude
B. 1's complement
C. 2's complement
D. 9's complement
Answer: Option C
In which of the following base systems is 123 not a valid number?
A. Base 10
B. Base 16
C. Base 8
D. Base 3
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