阿摩線上測驗
71. Two’s complement is an approach to represent a signed number. Given an 8-bit number
as follows 1011 0010, what is the decimal value of this number？
(A) 77
(B) -77
(C) 78
(D) -78
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統計： A(0), B(2), C(1), D(8), E(0) #3112255
統計： A(0), B(2), C(1), D(8), E(0) #3112255
