- The truth table for a function y(A, B, C, D) is given below:
| A | B | C | D | y | |
| 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 | 1 | 1 |
| 2 | 0 | 0 | 1 | 0 | 0 |
| 3 | 0 | 0 | 1 | 1 | 1 |
| 4 | 0 | 1 | 0 | 0 | 0 |
| 5 | 0 | 1 | 0 | 1 | 1 |
| 6 | 0 | 1 | 1 | 0 | 0 |
| 7 | 0 | 1 | 1 | 1 | 0 |
| 8 | 1 | 0 | 0 | 0 | 0 |
| 9 | 1 | 0 | 0 | 1 | 1 |
| 10 | 1 | 0 | 1 | 0 | 1 |
| 11 | 1 | 0 | 1 | 1 | 0 |
| 12 | 1 | 1 | 0 | 0 | 1 |
| 13 | 1 | 1 | 0 | 1 | 0 |
| 14 | 1 | 1 | 1 | 0 | 1 |
| 15 | 1 | 1 | 1 | 1 | 1 |
- Write the expressions of y in the first and second canonical forms.
- Minimize the expression in the first canonical form using axioms and theorems of Boolean algebra. Show all steps in your minimization and write the name of the axiom/theorem/property you use on the right-hand side of the expression at each step.
- Draw the circuit for the minimized expression in (b) using 2-input NAND gates only. Show all steps and explain your work leading up to the final circuit.
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