Computer Network Topics

Address Mask
A bit mask used to select bits from an Internet address for subnet addressing.
Address Resolution
Conversion of an IP Address to the corresponding low-level physical address.
Abbreviation of Asymmetric Digital Subscriber Line.
Advanced Research Projects Agency Network
More commonly known by it′s abbreviation ARPANET. Was the first operational packet switching network, and one of the networks that came to comprise the global Internet.
Apple Talk
Communication Protocol used on the Local Talk networks as well as on the Ethernet and Token Ring.
Abbreviation of Advanced Research Projects Agency Network.
Asymmetric Digital Subscriber Line
A method of connecting a computer to the internet over an ordinary phone line using ethernet office networking technology instead of an ordinary modem.
Baud Rate
The speed of information being transmitted across a serial interface, expressed in units of bits per second (bps).
bits per second
A measurement of data transmission speed in a communications system, the number of bits transmitted or received each second.
An ordered series of bits that forms the coded representation of the data.
Bootstrap Protocol
Protocol that allows an Internet node to discover certain startup information, such as its IP address.
bits per second, the number of bits transmitted or received each second.
Challenge Handshake Authorisation Protocol
A protocol used for identifying and authenticating a user and his or her password.
Characters per Second
A measure of how quickly information, particularly text, is being transferred over a modem link or network.
Computer Network Books
Lists all Computer Network Books in the Encyclopaedia
Computer Network Weblinks
Lists all Computer Network Weblinks in the Encyclopaedia
A piece of information sent by a Web server to a Web browser. The browser software is then expected to save the data and send it back to the server whenever the browser makes additional requests from the server.
Abbreviation of Dynamic Host Configuration Protocol.
Distributed Computing Environment
The services that support the creation and maintenance of distributed applications.
Abbreviation of Domain Naming System.
The set of all allowable inputs for a function.
Domain Name
The unique name that identifies an Internet site.
Domain Naming System
A system used by the Internet for translating names of host computers into addresses.
Dynamic Host Configuration Protocol
A protocol used to retrieve startup information such as a subnet mask and IP address from a DHCP server.
Family of frame-based computer networking technologies for local area networks.
Hardware and/or software used to divide a LAN into two or more parts for security reasons.
Full Duplex
Operational mode of a communication circuit in which each end can simultaneously transmit and receive data.
Any hardware or software that is used for the purpose of providing access from one system to another.
Half Duplex
Describes a circuit capable of transmitting in either direction, but only one direction at a time.
Term used in the Internet community to describe any device attached to the network that provides application-level service.
HyperText Transfer Protocol
The protocol computers use to send web pages over the internet.
Integrated Services Digital Network
Commonly known as ISDN, an early high speed internet connection system mainly aimed at business
A vast worldwide network of computers accessible to anyone.
Internet Protocol
A protocol which computers use to communicate with and over the internet.
Internet Protocol Address
A unique number assigned to any computer connected to the internet.
An Internal network of an organization that uses Internet protocols.
Abbreviation of Internet Protocol.
IP Address
Abbreviation of Internet Protocol Address.
Abbreviation of Integrated Services Digital Network.
Abbreviation of Local Area Network.
Linear Bus
A network topology in which each computer attaches directly to a common cable.
Local Area Network
A network of computers connected together, usually in a single department or building.
A device whose name combines the term modulate with demodulate which refers to its ability to transmit and receive data superimposed on a carrier frequency.
Abbreviation of Network Input Output System.
Network Input Output System
The standard interface to networks on IBM PC and compatible systems using Microsoft and IBM network software.
Network Interface Card
Expansion card which lets a PC communicate with a network or use a broadband internet connection.
Network Modem
A modem connected to a LAN that is accessible from every computer on the network.
Network Operating System
An operating system, which is designed to pass the information and communicate between more than one computer.
A point or line on a vibrating structure that remains stationary.
Abbreviation of Network Operating System.
Password Authentification Protocol
A protocol used for identifying and authenticating a user and his or her password.
Peer to Peer
A network operating system where any device on the main network bus can initiate communication.
The set of conventions that govern the treatment and formatting of data in an electronic communications system.
Random Access
The process of beginning to read and decode the coded bitstream at an arbitrary point.
A device used in data communication to strengthen a signal as it is passed along the network cable.
Reverse Address Resolution Protocol
A protocol used by a host to obtain an IP address based on the address of the host′s adapter card.
Standard four-wire analog phone connector.
Standard connectors used for unshielded twisted-pair cable.
A device that routes information between interconnected networks.
Routing Information Protocol
A protocol, limited to a small number of machines attached to LANs, used to exchange Internet routing information across networks.
Abbreviation of Small Computer Serial Interface.
Short haul Modems
Asynchronous devices using two unconditioned twisted cables for communications.
Simple Network Management Protocol
A set of standards for communication with devices connected to a TCP/IP network.
A networked device that is controlled by another device. Slave devices do not initiate data transmission. They respond to commands or requests initiated by a master device.
Small Computer Serial Interface
An interface controller that allows several peripherals to be connected to the same port on a computer.
Source Route
The route that a packet takes to reach its destination. The route is determined prior to the start of the transmission of the packet.
Speed of Data Transfer
The rate at which information travels through a network, usually measured in megabits per second.
Star Topology
LAN topology in which each node on a network is connected directly to a central hub or concentrator.
Subnet Mask
The part of the address mask that identifies an individual network within a larger network.
Symbol Error Rate
A measure of probability of symbol errors in a communication system.
Synchronous Optical Network
Data transmission over optical fibre with rates ranging from 51.84 Mb/s to 9.95 Gb/s.
Abbreviation of Transfer Control Protocol.
A device that provides electrical resistance at the end of a transmission line.
Token Ring
A data communication protocol developed by IBM in which computers access the network through token-passing.
Transfer Control Protocol
A common protocol which a computer can use to communicate with other computers.
Tree Topology
LAN topology similar to linear bus topology, except that tree networks can contain branches with multiple nodes.
Abbreviation of User Datagram Protocol.
Universal Resource Locator
Address used to locate something on the internet, most often a web page.
Abbreviation of Universal Resource Locator.
User Datagram Protocol
A transport protocol in the Internet suite of protocols.
Abbreviation of Wide Area Network.
Wide Area Network
A network connecting computers within very large areas, such as states, countries, and the world.
Wireless Network
Computer network which uses radio transmitters to move information between computers without the need for physical cables.
A collection of workstations and servers on a LAN that are designated to communicate and exchange data with one another.
World Wide Web
The web consists of many millions of pages of text and images published by anyone and everyone, from governments and large corporations down to the home user.
World Wide Web Consortium
Organisation that produces standards for the world wide web.

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Subjects: Computing