Please Solve, due tonight

1. The output of a 4-input NAND gate is 1. What can you tell about the inputs of this gate? 2. Simplify the following logic circuit: A 3. Convert a 3-input NAND gate to an inverter. Show all the possible circuits. 4. Convert a 4-input NOR gate to a 3-input NOR gate. Show all the possible circuits. 5. How does the compressed truth table shown below read? raw a logic circuit to realize this table A BY x 0 A x 1 1 6. Use only 2-input NOR gates to design a 4-input NOR gate. Show one circuit