Answer: Switch
- A switch is a circular thing used by the system to be activated.
- It is an electrical component used in a circuit to pass through the current flow or stop the current.
- The communication among switches is one or more that can operate in an alternative way or simultaneously.
- In the device, the switch sometimes interrupts the flow of current.
- The switch is also known as a button as it can be often used as a button to work.