Question

Why network interface cards needs specially programmed for broadcast?

Answer 1

A network interface controller is a computer hardware component that connects a ... or from the NIC to memory. This removes load from the CPU but requires more logic on the card.

Answer 2

because network interface card allows you to connect to a computer network.  computer network is a collection of two or more computers with communication between them through a medium.  The communication medium can be through radio waves, wires, infrared, optical fibers, etc

network cards can have multiple identifying addresses and can connect to several different networks at the same time ,they can be designed to communicate with only specific networks. every device on a network frequently broadcasts its address automatically, so transmitting data is easy.

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