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37 Cards in this Set
- Front
- Back
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analog signal |
A type of signal where the data is represented by continuous waves. ####################### |
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Antenna |
A device used for receiving or sending radio signals and often used to increase the range of a network. ###################### |
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Architecture
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The way computers are designed to communicate.################# |
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asynchronous transmission |
A type of serial data transmission in which data is sent when it is ready to be sent without being synchronized.########################################## |
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bandwidth (throughput) |
Amount of data that can pass through a data channel in a given amount of time. The amount of data that can be can be transferred in a given time period. |
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Bluetooth |
A networking standard for very short-range wireless connections. ########################################### |
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Bridge
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A device used to connect two LANs. ############################################################################## |
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Broadcasting
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A method of transmitting data in which data is sent out to all nodes on a network and is retrieved only by the intended recipient.########### |
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bus network typology |
A network that uses a central cable to which all network devices connect. ################################################################## |
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cellular (cell) phone |
A type of mobile phone that communicates via cellular technology.######################################################### |
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cellular radio transmission |
A type of data transmission used with cell phones in which the data is sent and received via cell towers. ################################################# |
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circuit switching
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A method of transmitting data in which messages travel along a dedicated network path.######################################################## |
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Client
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A computer or other device on a network that requests and uses network resources.#################################################################### |
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client-server network
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A network that includes both clients and servers.########################################################################### |
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coaxial cable (coax)
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A networking cable consisting of a center wire inside a grounded, cylindrical shield, capable of sending data at high speeds.################################################ |
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communications satellite
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A device that orbits the earth and relays communications signals over long distances.####################################################### |
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computer network
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Computers and other hardware devices that are connected to share hardware, software, and data.############################### |
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Concentrator
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A multiplexer that combines multiple messages and sends them via a single transmission medium in such a way that of all the individual messages are simultaneously active, instead of being sent as a single combined message.
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digital signal
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A type of signal where the data is represented by 0s and 1s.############################################################ |
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download |
To retrieve files from a server to a client.############################################################################# |
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Ethernet (802.3)
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The most widely used standard for wired networks.############################################################################ |
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Extranet |
An intranet that is at least partially accessible to authorized outsiders. ######################################################################### |
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fiber-optic cable |
A networking cable that contains hundreds of thin, transparent fibers over which lasers transmit data as light. ##################################################### |
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full-duplex transmission
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A type of data transmission in which data can move in both directions at the same time. ############################################################## |
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half-duplex transmission
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A type of data transmission in which data can travel in either direction but only in one direction at a time. ################################################# |
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Hotspot
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A location that provides wireless Internet access to the public. ###################################################################################### |
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infrared (IR) transmission
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A wireless networking medium that sends data as infrared light rays. ########################################################################### |
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isochronous transmission
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A type of serial data transmission in which data is sent at the same time as other related data. ######################################################### |
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local area network (LAN)
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A network that connects devices located in a small geographical area. ########################################################## |
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mesh network typology |
A network that uses multiple connections between network devices.############################################## |
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metropolitan area network (MAN) |
A network designed to service a metropolitan area.################################################################# |
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microwave station
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A device that sends and receives high-frequency, high-speed radio signals.################################################ |
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Microwaves |
High-frequency radio signals that can send large quantities of data at high speeds over long distances.############################################################# |
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mobile phone (wireless phone)
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A phone that uses a wireless network for communications instead of the regular telephone network.############################################################ |
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Modem |
A device that is used to connect a computer to a network over telephone lines.############################################################ |
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IP |
Type of address that is unique for every computer. ***************************************** |
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Voice over Internet Protocol (VoIP) |
The process of placing telephone calls via the Internet or data network. a type of synchronous transmission |
