Digital Electronics/Logic Gates/Logic Gates Summary
Logic Gates Summary
editThe table below summarize all the Basic Digital Gates and their characteristics
Basic Logic Gates Symbol Mathmatical Formula Truth Table Buffer 
Q = A A Q
0 0
1 1NOT 
Q = NOT A A Q
0 1
1 0AND 
Q = A . B A B Q
0 0 0
0 1 0
1 0 0
1 1 1NAND 
Q = A . B A B Q
0 0 0
0 1 0
1 0 0
1 1 1OR 
Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 1NOR 
Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 1XOR 
Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 0XNOR Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 0
