Q.4

(a) Determine the output (in terms of Boolean expressions) of all five logic gates in the circuit

shown in Figure 2.

(5 Marks)

A

B

D

D

F

(b) By utilising Boolean algebra, show that the function F obtained in part (a) above, is also

equivalent to (A + B). (C+D) Show all of your working.

(5 Marks)