Add or subtract the following $8-$bit $2$s complement numbers, producing an $8-$bit result $($discarding any carry out$).$ Convert your $8-$bit result to hex and indicate whether signed overflow occurred. Tip: For subtraction you can always just negate the second number and add.

e$)$

$11111011-11010100$

Signed Overflow

f$)$

$01001110-10001001$

Signed Overflow

g$)$

$11010110-01100001$

Signed Overflow

h$)$

$01010000-01011100$