P$2$

I$)$ Fill in the empty spaces below

$1)(0111)$BCD$=(57)10$

$2)(42)10=(1111)2421$

$3)(31)10=(1000)$Excess$-3$

II$)$ Perform $-(15)10+-(21)10$ in signed $2$s complement system using $6-$bit

representations. Is there an overflow? Explain.

III$)$ Convert $161$DE to binary, octal and decima