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Question

Which of the following statement(s) is(are) not correct ?

i. The 2's complement of 0 is 0.
ii. In 2's complement, the left most bit cannot be used to express a quantity.
iii. For an n-bit word (2's complement) which includes the sign bit, there are 2^n-1 positive integers, 2^n+1 negative integers and one 0 for a total of 2^n unique states.
iv. In 2's complement the significant information is contained in the 1's of positive numbers and 0's of the negative numbers.

a.

i and iv

b.

i and ii

c.

iii

d.

iv

Answer: (c).iii

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Q. Which of the following statement(s) is(are) not correct ? i. The 2's complement of 0 is 0. ii. In 2's complement, the left most bit cannot be used to express a quantity. iii....

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