Question $2(25$ marks$)$

a$)$ Subtract ${179}_{10}$ from ${88}_{10}$ using $10-$bit $2\text{'}$s complement form and state the answer

in hexadecimal. $($CLO$1)$

$[10$ Marks$]$

b$)$ For each of the following expression construct the corresponding logic circuit by

using combination AND, OR and INVERTER gates only $($CLO$2)$

i$.w\frac{?}{b}=ar(A+B)$

$[5$ Marks$]$

ii$.x\frac{?}{b}=ar(AB+CD)$

$[5$ Marks$]$

iii. $y\frac{?}{b}=ar(A)BC$Question $1(25$ marks$)$

a$)$ Convert ${181}_{10}$ to: $(CLO1{)}^{**}$ must show steps in obtaining the result

i$.$ Binary

ii$.$ Octal

$[4$ Marks$]$

iii. Hex

$[4$ Marks$]$

iv$.BCD$

$[4$ Marks$]$

$[4$ Marks$]$