The following statements describe the computer arithmetic. Select all the TRUE statements. a XOR returns TRUE if two inputs are same, meaning that it can perform 1-bit comparator. b An n-bit adder-subtractor can perform subtraction when the mode bit M is equal to one. c An n-bit adder-subtractor can perform addition when the mode bit M is equal to zero. d XNOR returns FALSE if two inputs

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The following statements describe the computer arithmetic. Select all the TRUE statements.

a

XOR returns TRUE if two inputs are same, meaning that it can perform 1-bit comparator.

b

An n-bit adder-subtractor can perform subtraction when the mode bit M is equal to one.

c

An n-bit adder-subtractor can perform addition when the mode bit M is equal to zero.

d

XNOR returns FALSE if two inputs are same, meaning that it can perform 1-bit equality comparator.

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