题目内容

( ) is an arithmetic bit operation.

A. The exclusive OR
B. The unary NOT
C. Subtraction
D. All of the above

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( ) is a logical bit operator.

A. The exclusive OR
B. The unary NOT
C. The binary AND
D. All of the above

The ( )method of integer representation is the most common method to store integers in computer memory.

A. sign-and-magnitude
B. one’s complement
C. two’s complement
D. unsigned integers

In two’s complement addition, if there is a final carry after the leftmost column addition,( ).

A. add it to the rightmost column
B. add it to the leftmost column
C. discard it
D. increase the bit length

For an 8-bit allocation, the smallest decimal number that can be represented in two’s complement form is ( ).

A. –8
B. –127
C. –128
D. –256

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