Q1: Design a combinational circuit with three inputs and output . where the output is 1 when the number of ones is less than 2, and the output is 0 otherwise. show all the design steps using the following: 1. show the truth table 2. universal gates 3. 2X4 decoders with enable 4. 4-1 MUX Q2: design a 3 bits synchronous counter from 0 - 4 using JK flip flop Q3: design a 3 bits odd counter using jk flip flop