Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +2n-1,-(2n-1-1)
 +(2n-1-1),-2n-1
 None of these
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
Statement(A): 2’s complement arithmetic is preferred in digital computers. Statement(R):The Hardware required to obtain the 2’s complement of a number is simple.

 A is true but R is false
 A is false but R is true
 Both A & R are true but R is not the correct explanation of A
 Both A & R are true and R is the correct explanation of A

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