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COMMUNICATIONS DEVICE Hardware component that enables a computer to send (transmit) and receive data, instructions , and information to and from one or more computers .
	MODEM A device that enables a computer to communicate over analog networking media such as connecting the Internet via telephone lines
	WIRELESS ACCESS POINT A device on a network that connects wireless devices to that network .
	REPEATER A device that takes a weaken signal and repeat it at its original strength (to enhance the signal)
	SWITCH The device that provides a common central connection point for nodes on network.