Digital Electronics/Logic Gates/Basic Logic Gates Summary
| A Wikibookian suggests that this book or chapter be merged into Digital Electronics/Logic Gates Summary. Please discuss whether or not this merge should happen on the discussion page. |
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 = NOT (A . B) A B Q
0 0 1
0 1 1
1 0 1
1 1 0OR 
Q = A + B A B Q
0 0 0
0 1 1
1 0 1
1 1 1NOR 
Q = NOT (A + B) A B Q
0 0 1
0 1 0
1 0 0
1 1 0XOR 
Q = (A + B) . NOT (A . B) A B Q
0 0 0
0 1 1
1 0 1
1 1 0XNOR Q = NOT ( (A + B) . NOT (A . B) ) A B Q
0 0 1
0 1 0
1 0 0
1 1 1
