Question $2$

$[12]$

$2\mathrm{.}1$ In the $2\text{'}$s complement form, the binary number $10010011$ is equal to which decimal number.

$2\mathrm{.}2$ Convert each of the following hexadecimal numbers to decimal

$2\mathrm{.}2\mathrm{.}15C{B}_{16}$

$2\mathrm{.}2\mathrm{.}28A9D_{16}$

$2\mathrm{.}3$ Determine the decimal values of the signed binary expressed in $"1\text{'}$s$"$ complement:

$11101000$

Question $3$

$[6]$

Divide the binary numbers as indicated:

$3\mathrm{.}1,11011$

$3\mathrm{.}2,101010$

$3\mathrm{.}3,1111101$

$(2)$

Total $=[30]$