Command Switch

A switch may refer to any of the following:

A switch is a piece of a physical circuitry component that governs the signal flow. Having a switch or toggle switch allows a connection to be opened or closed. When opened, the switch allows a signal or power to flow through the connection. When closed, the switch stops the flow and breaks the circuit connection. Early computers, like the Altair, use switches as a form of input for the computer.

On a network, a switch is a hardware device that filters and forwards network packets, but is often not capable of much more. The first network device that was added to the Internet was a switch, called the IMP, which helped send the first message on October 29, 1969. A network switch is more advanced than a hub, but not as advanced as a router.

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