four-input EX-OR logic functions with the help of two-input EX-OR gates? Draw its logic

Give all gates output

1) Design the logic gates that compare (3) bit binary numbers that are "equal" or "not equal." A0  B0  A1 B1 A2 B2   2) Derive  the logic equations for both outputs   3) What type of circuit/system can this be used in an application you could create?

Which of the following statements accurately represents the best method of logic circuit simplification? a. Actual circuit trial and error evaluation and waveform analysis b. Boolean algebra and actual circuit trial and error evaluation c. Karnaugh mapping and circuit waveform analysis d. Karnaugh mapping and Boolean algebra