Question

what is a switch?
anybody is here ​

Answer 1

Answer:

A network switch is networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device. A network switch is a multiport network bridge that uses MAC addresses to forward data at the data link layer of the OSI model.

Explanation:

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Answer 2

Answer:

For making a complete electric circuit we need three components

1-Electric cell

2-a switch

3-a bulb( electric consuming device)

Switch is an electrical component connect or disconnect the conducting path in an electrical circuit