Incidentally, AND and OR gates are less frequently encountered in actual electro

Question

Incidentally, AND and OR gates are less frequently encountered in actual electronic circuits than NAND and NOR gates. All AND and OR operations can be produced by properly wiring multiple NAND and NOR gates or by using inverters. Multiple gates are connected to form digital circuits. Below is a schematic representation of a digital circuit. It is a combination of an INVERTER and an AND gate. The truth table for it is to the right. Starting out from the circuit above (Q = bar A . B), expand the circuit to have it compute Q = by adding wires and gates to the existing circuit. Generate a truth table for your circuit (complete the table shown).

Explanation / Answer

in this problem

output of circuit

=A'B+B'

DESIGN THE CIRCUIT

FOR A' USE INVERTER CIRCUIT

FOR A'B USE AND GATE

FOR B' USE INVERTER GATE

ADD A'B, B' WITH HELP OF OR GATE

PART B)

A B A'   A'B B'     A'B+ B'?   

0 0 1 0 1 1

0 1 1 1 0 1

1 0 0 0 1 1

1 1 0 0 0 0

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