NIMCET 2017 Question Paper with solutions

Question : 28 of 120

Marks: +1, -0

The smallest integer that can be represented by a, 8- bit number in 2's complement form is

Solution:

The range of numbers that can be represented by n-bits in 2’s complement form is

(-2)^{n-1}

(2^{n-1})

- 1
Hence, the smallest number is

(-2)^{n-1}

(-2)^{8-1}

(-2)^7

= - 128

Go to Question:

Prev Question

Next Question