Question

1) Are dual and complement of a Boolean expression the same ?
2) Are dual and complement of a Boolean expression related ?
3) Draw a truth table of 2 input NAND and 3 input NAND.
4) Draw a truth table of 2 variable and 3 variable NOR.
5) Draw a truth table of 2 variable and 3 variable XOR.
6) Draw a truth table of 2 variable and 3 variable XNOR.
7) What are logic circuits ?
8) How do you draw logic circuit diagrams ?​

Answer 1

Answer:

• For a 2-input AND gate, the output Q is true if BOTH input A “AND” input B are both true, giving the Boolean Expression of: ( Q = A and B ). Note that the Boolean Expression for a two input AND gate can be written as: A.B or just simply AB without the decimal point.