An AND logic gate outputs a signal if all the inputs are true.
A NOT logic gate outputs a signal if any one of the inputs is false.
An AND logic gate is a device that can only accept two inputs at a time. It must be able to process both of them, so the answer to the question, "How many inputs can an AND logic gate process?" is two.
The NOT logic gate is a very simple device that has two inputs and one output. It is used to change the state of an input from true to false, or false to true. If the input is true, then the output will be false. The NOT logic gate can only process two inputs at once, so it cannot process more than two inputs.
Programmers use the PLC for their work because it is a reliable and efficient tool for automation and control. They also use it for safety purposes by programming safety-related systems like fire alarms, water pumps, etc.