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what is network? NETWORK is a collection of computers and mobile devices connected together via communication devices and tansmission media |
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COMMUNICATION DEVICES |
TRANSMISSION MEDIA |
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![]() Hub provide common central connection for nodes on network Switch connect multiple devices on network ![]() MODEM enables a computer to communicate over analog networking media ![]() WIRELESS ACCESS POINT connect wireless devices to network ![]() ROUTER connect multiple network together ![]() NETWORK INTERFACE CARD expansion card that connect a computer to a network WIRELESS NETWORK INTERFACE CARD expansion card that connect a wireless devis to a network ![]() REPEATER enhance weaken signal and repeat it as its original strength |
![]() TWISTED PAIR CABLE consisting of pairs of copper wire that twisted together ![]() COAXIAL CABLE is 3 layers consisting an insulating material, woven/braided metal and plastic outer coating ![]() FIBRE OPTIC CABLE consist dozens or hundreds of thin strands of glass or plastic that use light to transmit signal INFRARED send signals using infrared light waves from 1 device to another MICROWAVE is radio wave provide high speed signal transmission CELLULAR RADIO is a form of broadcast radio that is in wide use for mobile communication BROADCAST RADIO distribute radio signal through the air over the long distance & short ![]() COMMUNICATION SATELLITE is an earth-orbiting device that relays communications signals over a long distance ![]() BLUETOOTH is networking standard for very short-range wireless connection |