A collection of computers and other hardware devices that are connected together to share hardware, software, and data, as well as to communicate electronically with one another.
A phone, such as a cellular or satellite phone, that uses a wireless network.
A mobile phone that communicates via a cellular network; also called a cell phone.
A mobile phone that can be used with more than one communications network, such as with both a cellular and Wi-Fi network.
A mobile phone that communicates via satellite technology.
The use of computers, video cameras, microphones, and networking technologies to conduct face-to-face meetings over a network.
The use of computers and networking technology to enable an individual to work from a remote location.
The use of networking technology to provide medical information and services.
A form of robot-assisted surgery in which the doctor's physical location is different from the patient;s physical location and the doctor controls the robot remotely over the Internet or another network.
A network in which computers and other devices are connected to the network via physical cables.
A network in which computers and other devices are connected to the network without physical cables; data is typically sent via radio waves.
A network that uses a host device connected directly to several other devices.
A network consisting of a central cable to which all network devices are attached.
A network in which there are multiple connections between the devices on the network so that messages can take any of several possible paths.
Personal area network (PAN)
A network that connects an individual's personal devices that are located close together.
Local area network (LAN)
A network that connects devices located in a small geographical area, such as within a building.
Metropolitan area network (MAN)
A network designed to service a metropolitan area.
Wide area network (WAN)
A network that connects devices located in a large geographical area.
A private network that is set up similar to the Internet and is accessed via a Web browser.
An intranet that is at least partially accessible to authorized outsiders.
Virtual private network (VPN)
A private, secure path over the Internet that provides authorized users a secure means of accessing a private network via the Internet.
A type of signal where the data is represented by os and 1s.
A type of signal where the data is represented by continuous waves.
A type of data transmission in which the bits in a byte travel down the same path one after the other.
A type of data transmission in which bytes of data are transmitted at one time, with the bits in each byte taking a separate path.
A networking cable consisting of wire strands twisted in sets of two and bound into a cable.
A networking cable consisting of a center wire inside a grounded, cylindrical shied, capable of sending data at high speeds.
A networking cable that utilizes hundreds of thin transparent fibers over which lasers transmit data as light.
A form of broadcast radio designed for use with cellular telephones that broadcasts using antennas located inside honeycomb-shaped cells.
An earth-based device that sends and receives high-frequency, high-speed radio signals.
An earth-orbiting device that relays communications signals over long distances.
Infrared (IR) transmissions
A wireless networking medium that sends data as infrared light rays.
A networking protocol that uses packet switching to facilitate the transmission of messages; the protocol used with the Internet.
A widely used wired LAN networking standard.
A widely used networking standard for medium-range wireless networks.
An emerging wireless networking standard that is faster and has a greater range than Wi-Fi.
A version of WiMAX designed to be used with mobile phones.
A networking standard for very short-range wireless connections; the devices are automatically connected once they get within the allowable range.
A wireless version of USB designed to connect peripheral devices.
Ultra Wideband (UWB)
A networking standard for very short-range wireless connections among multimedia devices.
An emerging wireless networking specification designed for connection home consumer devices.
A networking standard for very short-range wireless connections between devices; devices need to touch in order to communicate.
A network interface, such as an expansion card or external network adapter.
Network interface card (NIC)
An expansion card through which a computer can connect to a network.
A device that enables a computer to communicate over analog networking media, such as connecting to the Internet via telephone lines.
A device used to connect multiple devices on a single (typically wired) network; forwards packets to only the intended recipient.
A device that connects multiple networks together; routes packets to their next location in order to efficiently reach their destination.
Wireless access point
A device on a wireless network that connects wireless devices to that network.
A router with a built-in wireless access point; most often used to connect wireless devices to a network and an Internet connection and often contains a built-in switch.
A device used to bridge or connect two LANs; most often used to connect wired devices wirelessly to a network.
A device on a network that amplifies signals.
A repeater for a wireless network.
A device used for receiving or sending radio signals; often used to increase the range of a network.
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