LOGIC GATES

Question 1

NOT - looks and truth table

Answer 1

|0| - |1 |
|1 | - |0|

the NOT gate is a very simple gate - if 0 is input it outputs 1 and if 1 is input then it outputs 0

triangle shape with the circle at the end (see picture if confused)

https://commons.wikimedia.org/wiki/File:Not-gate-en.svg

Question 2

OR GATE

Answer 2

|1 |1 | - |1 |
|1 |0| - |1 |
|0|1 | - |1 |
|0|0| - |0|

The OR gate tells us if one or both of the two inputs are 1 by outputting 1, otherwise output 0.

Shaped like a rubbish arrow head - see below

https://simple.wikipedia.org/wiki/OR_gate

Question 3

AND

Answer 3

|1 |1 | - |1 |
|0|1 | - |0|
|1 |0| - |0|
|0|0| - |0|

The AND gate tells us if both inputs are 1, by outputting 1, otherwise it outputs 0.

Shaped like the letter D - literally just the “D”