NIMCET 2014 Question Paper with solutions

The given number is -93.
The equivalent binary representation of 93 in byte is01011001.
Now change it into 1 's complement.
$\begin{array}{cccccccc}0& 1& 0& 1& 1& 0& 0& 1\\ \downarrow & \downarrow & \downarrow & \downarrow & \downarrow & \downarrow & \downarrow & \downarrow \\ 1& 0& 1& 0& 0& 1& 1& 0\end{array}$
Therefore, the one’s complement representation of -93 is 10100110
Now found 2’s complement.10100110 + 1 = 10100111
This value does not match with other options. So, the answer is none of these.