| Keyword | Definition | 
|---|---|
| AND | Logic gate where the output is only On if both inputs are On | 
| input | value that goes into a logic gate | 
| Logic gate | Way of combining On/Off values logically (AND, OR or NOT) | 
| NOT | Logic gate where the output is the opposite of the input | 
| OR | Logic gate where the output is On if either or both inputs are On | 
| output | value that comes out as the result of a logic gate |