communication

Sending and Receiving Devices

Transmission Media

Communication Media

Question and Answers

Communication Devices

Any type of hardware capable of transmitting data, instrustions and information between a sending device and a receiving device

Communication Media

Function and Explanation

Modem	Function : Converts analog signals to digital signals
Wireless Access Point(WAP)	Function: enables a computer od device to access a wireless network via radia signals, microwaves and infrared light
Netwrok Interface Card(NIC)	Function: enables a computer or device to access a network
Hub	Function: connects multiple computers Explanation: Hub is a dumb device because it sends the data packet from the sending computer to all computers in the network
Switch	Function: connects multiple computers Explanation: Switch is an intelligent device which only sends data packet from the sending computer to the receiving computers
Router	Function: connects multiple computers and other routers Explanation: router only send data packet from the sending computer to the intended receiving computers and directs the traffic of the network.