Summary Basic Logic Gates

LOGIC
GATES

, BASIC LOGIC GATES
In this part we learn about 3 gates.
TIPSQ:
The gates are
HOW MANY COLUMS SHOULD I ADD
AND GATE
TO A TRUTH TABLE
OR GATE
NOT GATE
IT DEPEND ON THE NO OF INPUTS

AND GATE IF THERE ARE 2 INPUTS
2^2=4 OUTPUTS
A
A.B
B IF THERE ARE 3 INPUTS
2^3=8 OUTPUTS

A B A.B


0 0 0


0 1 0 All the inputs must be 1
to get the output as 1
1 0 0


1 1 1



OR GATE

A
A+B
B




A B A+B
At least one input
0 0 0 should be 1 to get the
0 1 1
output as one

1 0 1


1 1 1