$[8]$ Convert the following $8$ bit binary to two's complement signed integer.

$10000100$

$00100000$

$11111101$

$10001000$

$[4]$ Convert two's complement signed integer to $6-$bit binary.

$-1$

$-26$

$[4]$ Conversion of two's complement to unsigned integer $($Assume bit width is $5),$ Express the answer as a decimal number.

$T2U(-7)$

$T2U(12)$

$[4]$ Conversion of unsigned to two's complement integer $($Assume bit width is $8),$ Express the answer as a decimal number.

$U2T(130)$

$U2T(254)$