$4-$ Perform the following arithmetic in Binary assuming $8$bit registers

$(67)10(-89)10$

$$List the values of the status bits: C$,$V$,$N and Z

$5.$Calculate the product of $1\mathrm{.}0001110^4$and $1\mathrm{.}01010110^(1)$by hand

$$Calculate the product of $1\mathrm{.}0011$x $1\mathrm{.}0111$

$$Calculate the following:

$(6754)8$x $(236)8$

$($DE$79$C$)16(6$F$9$A$2)16$

$$Add in binary: $0\mathrm{.}5+(-0\mathrm{.}4375)$