Glossary for Computer Concepts: telecommunications

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Bluetooth: enables a wide assortment of digital devices to communicate directly with each other wirelessly over short distances
   Bluetooth
bluetooth: enables a wide assortment of digital devices to communicate directly with each other wirelessly over short distances
Bridge: Connects two or more network segments, as a repeater does; a bridge also helps to regulate network traffic
   Bridge (Network Control Device)
bridge: Connects two or more network segments, as a repeater does; a bridge also helps to regulate network traffic
Broadband: a connection providing download speeds of 6 Mbps (megabits per second) up to over 100 Mbps
   Broadband / High-Speed Internet
broadband: a connection providing download speeds of 6 Mbps (megabits per second) up to over 100 Mbps
Cable Modem: Provides Internet access to PCs and computer networks over a cable television network
   Cable Modem
cable: Provides Internet access to PCs and computer networks over a cable television network
Cellular Carrier: a company that builds and maintains a cellular network and provides cell phone service to the public
   Cellular Carrier
cellular carrier: a company that builds and maintains a cellular network and provides cell phone service to the public
Cellular Device: Cellular network carriers provide several options for connecting computers to the Internet
   Cellular Device
cellular device: Cellular network carriers provide several options for connecting computers to the Internet
Cellular Network: a wide area network in which a geographic area is divided into cells, with a transceiver antenna (tower) and station at the center of each cell, to support wireless mobile communications
   Cellular Network
cellular network: a wide area network in which a geographic area is divided into cells, with a transceiver antenna (tower) and station at the center of each cell, to support wireless mobile communications
Cellular Plan: defines the terms of service provided by a cellular carrier to which a cellular user subscribes
   Cellular Plan
cellular plan: defines the terms of service provided by a cellular carrier to which a cellular user subscribes
Coaxial cable: An inner conductor wire surrounded by insulation, a conductive shield, and a cover used for cable TV and other applications
   Coaxial (Cable)
coaxial: An inner conductor wire surrounded by insulation, a conductive shield, and a cover used for cable TV and other applications
dial up: Provides narrowband Internet connections over phone lines
Dial-Up Modem: Provides narrowband Internet connections over phone lines
   Dial-Up Modem
Digital Signal: designed to carry computer data, which is digitally represented as bits
   Digital Signal
digital signal: designed to carry computer data, which is digitally represented as bits
DSL: Similar to a cable modem but provides high-speed Internet service over telephone lines
   DSL: Digital Subscriber Line
dsl: Similar to a cable modem but provides high-speed Internet service over telephone lines
FCC: assigns different frequencies of the electromagnetic spectrum for different uses in the United States
   FCC: Federal Communications Commission
fcc: assigns different frequencies of the electromagnetic spectrum for different uses in the United States
fiber optic: Consists of thousands of strands of glass or plastic bound together in a sheathing; transmits signals with light beams
Fiber-Optic: Consists of thousands of strands of glass or plastic bound together in a sheathing; transmits signals with light beams
   Fiber-Optic (Cable)
Firewall: filters the information coming onto a network
   Firewall (Network Control Device)
firewall: filters the information coming onto a network
Gateway: A network point that acts as an entrance to another network
   Gateway (Network Control Device)
gateway: A network point that acts as an entrance to another network
GPS: uses satellites to pinpoint the location of objects on earth
   GPS: Global Positioning System
gps: uses satellites to pinpoint the location of objects on earth
Hub: A small electronic box used as a central point for connecting a series of computers
   Hub (Network Control Device)
hub: A small electronic box used as a central point for connecting a series of computers
Infrastructure: In telecommunications, infrastructure refers to the hardware, software, and protocols that support telecommunications
   Infrastructure
infrastructure: In telecommunications, infrastructure refers to the hardware, software, and protocols that support telecommunications
LAN: a privately-owned computer network that connects computers and devices within the same building or local geographic area
   LAN: Local Area Network
lan: a privately-owned computer network that connects computers and devices within the same building or local geographic area
Microwaves: Waves sent at the high end of the radio spectrum, between 1 and 300 GHz
   Microwaves
microwaves: Waves sent at the high end of the radio spectrum, between 1 and 300 GHz
Mobile Phone: the handset used by the subscriber to communicate on a cellular network
   Mobile Phone
mobile phone: the handset used by the subscriber to communicate on a cellular network
Network Adapter: A computer circuit board, PC card, or USB device installed in a computer so that the computer can be connected to a network
   Network Adapter
network adapter: A computer circuit board, PC card, or USB device installed in a computer so that the computer can be connected to a network
NIC: A circuit board or PC card that provides a port for the device to connect to a wired network with traditional network cables
   NIC: Network Interface Card
nic: A circuit board or PC card that provides a port for the device to connect to a wired network with traditional network cables
Radio Spectrum: part of the electromagnetic spectrum, refers to all of the frequencies available for radio waves from about 10 kHz to 300 GHz and their assigned uses
   Radio Spectrum
radio spectrum: part of the electromagnetic spectrum, refers to all of the frequencies available for radio waves from about 10 KHz to 300 GHz and their assigned uses
Repeater: Connects multiple network segments
   Repeater (Network Control Device)
repeater: Connects multiple network segments
RFID: uses tiny transponders in devices or tags that can be attached to merchandise or other objects and read wirelessly using an RFID reader
   RFID: Radio Frequency Identification
rfid: uses tiny transponders in devices or tags that can be attached to merchandise or other objects and read wirelessly using an RFID reader
Router: Determines the best path for passing a data packet between networks to its destination
   Router (Network Control Device)
router: Determines the best path for passing a data packet between networks to its destination
Signal Frequency: the speed at which an electronic communications signal can change from high to low
   Signal Frequency
signal frequency: the speed at which an electronic communications signal can change from high to low
Signal: Telecommunications signals are analog or digital electronic transmissions for the purpose of communication
   Signal
signal: Telecommunications signals are analog or digital electronic transmissions for the purpose of communication
Switch: makes it possible for several users to send information over a network at the same time
   Switch (Network Control Device)
switch: makes it possible for several users to send information over a network at the same time
Telecommunication Devices: include the wide variety of computer hardware designed to support telecommunications
   Telecommunication Devices
telecommunication devices: include the wide variety of computer hardware designed to support telecommunications
Telecommunication Media: anything that carries a signal and creates an interface between a sending device and a receiving device
   Telecommunication Media
telecommunication media: anything that carries a signal and creates an interface between a sending device and a receiving device
Telecommunication Network: include computing and/or communications devices connected together for communications, information, and resource sharing
   Telecommunication Network
telecommunication network: include computing and/or communications devices connected together for communications, information, and resource sharing
Telecommunication Software: software based on telecommunications protocols used to control, monitor, and troubleshoot data traveling over a telecommunications network
   Telecommunication Software
telecommunication software: software based on telecommunications protocols used to control, monitor, and troubleshoot data traveling over a telecommunications network
Telecommunications: the electronic transmission and reception of signals for voice and data communications
   Telecommunications
telecommunications: the electronic transmission and reception of signals for voice and data communications
Twisted Pair: Pairs of twisted wires covered with an insulating layer, used for telephone and computer networks
   Twisted Pair (Cable)
twisted pair: Pairs of twisted wires covered with an insulating layer, used for telephone and computer networks
WAN: connects LANs between cities, across countries, and around the world using microwave and satellite transmission or telephone lines
   WAN: Wide Area Network
wan: connects LANs between cities, across countries, and around the world using microwave and satellite transmission or telephone lines
wi fi: wireless networking technology that uses access points to wirelessly connect users to networks within a range of 250–1,000 feet
Wi-Fi: wireless networking technology that uses access points to wirelessly connect users to networks within a range of 250–1,000 feet
   Wi-Fi: Wireless Fidelity
Wireless Access Point: a Wi-Fi device, connected to a wired or cellular network to send and receive data to wirelessly
   Wireless Access Point (Network Control Device)
wireless access point: a Wi-Fi device, connected to a wired or cellular network to send and receive data to wirelessly
Wireless adapter: A circuit board, PC card, or an external device that connects through an antenna-equipped USB port that is able to send and receive network radio signals
   Wireless adapter
wireless adapter: A circuit board, PC card, or an external device that connects through an antenna-equipped USB port that is able to send and receive network radio signals
Wireless Data Communication: telecommunications that take place over the air to provide data and Internet accessy
   Wireless Data Communication
wireless data communication: telecommunications that take place over the air to provide data and Internet accessy
Full Glossary