UGC-NET | UGC NET CS 2018 Dec – II | Question 25

In computers, subtraction is generally carried out by
(A) 1’s complement
(B) 10’s complement
(C) 2’s complement
(D) 9’s complement

Answer: (C)

Explanation: Generally, computer system uses 2’s complement for signed number representation, because this representation is unambiguous and easy for arithmetic calculation.

Option (C) is correct.

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