1. Question 1
For the circuit in figure 2, determine the output if the input are:
a. [A] = 01012 and [B] = 11012
b. [A] = 01112 and [B] = 11112
Question 2
(4 Marks)
(4 Marks)

2. Question 3
Design an asynchronous counter that will count in a sequence of 6, 5, 4, 3, 2, 1 and
repeat. Only J-K flip-flops that have two active low control inputs PRE and CLR are
allowed to be used. Briefly explain the operation of the design.
(20
Marks)