Input/Outputs Flashcards
1
Q
What do Input devices receive?
A
Input devices receive an external signal - this is what triggers a system to work.
2
Q
What are input devices?
A
They’re often sensors - components that convert a specific type of energy into an electrical signal.
3
Q
Two examples of input device?
A
Switches and variable resistors
4
Q
What do switches do?
A
Switches turn a circuit on and off. Turning a switch on completes a circuit, This allows the current to flow.
5
Q
Common switches?
A
Toggle, push and slide
6
Q
What do variable resistors do?
A
They detect changes in external conditions
