$(8$ Pts $-4$ Pts Each$)$ Use Only $2-$Input OR and$/$or $2-$Input NOR Gates to create each of the following, label the Inputs, and write a Boolean Expression for the Output

a$.3-$Input NOR Gate

b$.$ Inverter

$(8$ Pis $-4$ Pis Each$)$ Use Only $2-$Input AND and$/$or $2-$Input NAND Gates to create each of the following, label the Inputs, and write a Boolean Expression for the Output

a$.4-$Ingut NAND Gate

b$.$ Inverter