Assume that the following operations are calculated using $8-$bit $2\text{'}$s complement numbers. Give the

resulting sum in decimal. Take into account the effects of possible overflow.

$($a$)39+27$

$($b$)99+30$

$($c$)30+-40$

$($d$)-100+-100$

Assume that the following operations are calculated using $8-$bit unsigned numbers. Give the resulting

sum in decimal. Take into account the effects of possible overflow.

$($a$)34+55$

$($b$)99+30$

$($c$)100+200$