web/content/notes/ready/logic_gates/index.md

title, description, draft, tags, author, showToc

title	description	draft	tags	author	showToc
Logic Gates		false	electronics computer-science	TrudeEH	true

NOT

Invert the input.

Truth Table

Input	Output
0	1
1	0

AND

Output 1 only when both inputs are 1.

Truth Table

A	B	Output
0	0	0
0	1	0
1	0	0
1	1	1

OR

Output 1 if at least one input is 1.

Truth Table

A	B	Output
0	0	0
0	1	1
1	0	1
1	1	1

NAND

An AND gate followed by a NOT gate.

Truth Table

A	B	Output
0	0	1
0	1	1
1	0	1
1	1	0

NOR

An OR gate followed by a NOT gate.

Truth Table

A	B	Output
0	0	1
0	1	0
1	0	0
1	1	0

XOR

Either input is 1, exclusively.

Truth Table

A	B	Output
0	0	0
0	1	1
1	0	1
1	1	0

XNOR

Inverted XOR.

Truth Table

A	B	Output
0	0	1
0	1	0
1	0	0
1	1	1

Implementation Examples

NOT

AND

OR