Question: Suppose A is a 4 - bit binary number. Which of the following expressions is the 2 s complement of A ? A . ?

Suppose A is a 4-bit binary number. Which of the following expressions is the 2 s complement of A?
A.?bar(A)+0001
B.?bar(A)
C.?bar(A+0001)
D.A-0001
Suppose A is a 4 - bit binary number. Which of

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