Question $5(10$ points$)$

The Boolean expression ABCD is

A literal term

A sum term

A product term

Always $1$

Question $6(10$ points$)$

When a Boolean variable is multiplied by its complement, the result is

$.$

$0$

$1$

The complement of the variable

The variable itself

Question $7(10$ points$)$

The expression:

simplifies to

Question $8(10$ points$)$

The Boolean expression $x=AB+CD$ represents

Two ORs ANDed together

Two ANDs ORed together

A $4$ input AND gate

An Eclusive$-$OR