Digital Controls - Logic Gates

Flashcards on Digital Controls - Logic Gates

What is the Boolean expression for an AND gate?

X = A · B

What is the Boolean expression for an XNOR gate?

X = A  B

What is the Boolean expression for a NOR gate?

X = A + B

What is the Boolean expression for a NOT gate?

X = A

What is the Boolean expression for an OR gate?

X = A + B

What is the Boolean expression for an XOR gate?

X= A  B _(xor)_/

What is the Boolean expression for a NAND gate?

X = A · B

In binary logic, what does '0' represent?

Low

If the input to an inverter logic gate is low, what will the output be?

High (1)

What is the output of two inverters connected in series?

The same as the original input.

What logical operation does a NOR gate with an inverted output perform?

OR

What voltage level is typically considered to be a logic Low?

0V

What represents a binary logic High?

1

What output will an Exclusive-OR gate have when its inputs are different?

High (1)

What logical operation does an AND gate with an inverted output perform?

NAND

What logical operation does a NOR gate with inverted inputs perform?

AND

What voltage level is typically considered to be a logic High?

5V

What logic gate produces 0 only when its inputs are opposite?

XNOR

What logic gate can only use a single input?

Inverter (NOT)