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67 Cards in this Set
- Front
- Back
A web site that offers a single point of entry to an entire community of affiliated interests |
Affinity portal |
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Continuous waves that transmit information by altering the amplitude and frequency of the waves |
analog signals |
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High-speed central networks to which multiple smaller networks (such as LANS and smaller WANs) connect |
backbone network |
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The transmission capacity of a network, stated in bits per second |
Bandwidth |
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The transmission capacity of a communications medium faster than 4 Mbps downstream and 1 Mbps upstream |
Broadband |
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Comunications channels that use electromagnetic media (the "airwaves") to transmit data |
Broadcast media (aka wireless media) |
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Software applications through which users primarily access the web |
Browsers |
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Communications channels that use physical wires or cables to transmit data and information |
Cable media (aka wireline media) |
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A virtual meeting place where groups of regulars come to "gab" electronically |
chat room |
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Form of distributed processing in which some machines (servers) perform computing functions for end-user PCs (clients) |
client/server computing |
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Computers, such as users' personal computers, that use any of the services provided by servers |
Clients |
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Insulated copper wire; used to carry high-speed data traffic and television signals |
Coaxial cable |
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Mutual efforts by two or more individuals who perform activities in order to accomplish certain tasks |
collaboration |
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A Web site that offers fairly routine content for diverse audiences; offers customization only at the user interface |
Commercial (public) portal |
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Pathway for communicating data from one location to another |
communications channel |
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A system that connects computers and other devices via communications media so that data and information can be transmitted among them. |
Computer network |
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A Web site that provides a single point of access to critical business information located inside and outside of an organization |
Corporate portal |
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A process in which an organization outsources a task to an undefined, generally large group of people in the form of an open call. |
Crowdsourcing |
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A discrete pulse, either on or off, that conveys information in a binary form. |
digital signals |
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A high-speed, digital data transmission technology using existing analog telephone lines. |
Digital subscriber line (DSL) |
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Learning situations in which teachers and students do not meet face-to-face. |
Distance Learning (DL) |
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Network architecture that divides processing work between two or more computers, linked together in a network |
distributed processing |
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The system administered by the Internet Corporation for Assigned Names (ICANN) that assigns names to each site on the internet |
Domain name system (DNS) |
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The name assigned to an internet site, consisting of multiple parts, separated by dots, which are translated from right to left |
domain names |
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learning supported by web; can be done inside traditional classrooms or in virtual classrooms |
e-learning |
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An organization's network composed of interconnected multiple LANs and WANs |
enterprise network |
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A common local area network protocol |
Ethernet |
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A network that connects parts of the intranets of different organizations |
Extranet |
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A communications medium consisting of thousands of very thin filaments of glass fibers, surrounded by cladding, that transmits information via light pulses generated by lasers. |
fiber-optic cable |
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A computer that contains various software and data files for a local area network and contains the network operating system |
File server (aka network server) |
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The communications standard used to transfer pages across the WWW portion of the internet; defines how messages are formulated and transmitted |
Hypertext Transport Protocol (HTTP) |
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A web-based gateway to information and knowledge for an entire industry |
Industrywide portal |
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A massive global WAN that connects approximately 1 million organizational computer networks in more than 200 countries on all continents, including Antarctica, and features in the daily routine of almost 2 billion people. Participating computer systems include smartphones, PCs, LANs, databases, and mainframes |
Internet (aka the Net) |
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The primary network connections and telecommunications lines that link the computers and organizational nodes of the internet |
Internet backbone |
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A set of rules responsible for disassembling, delivering, and reassembling packets over the internet |
Internet Protocol (IP) |
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An assigned address that uniquely identifies a computer on the internet |
Internet Protocol address |
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A company that provides internet connections for a fee |
Internet service Provider (ISP) |
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The use of the internet as the transmission medium for telephone calls |
Internet telephony (Voice-over Internet Protocol or VoIP) |
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A new, faster telecommunications network that deploys advanced network applications such as remote medical diagnosis, digital libraries, distance education, online simulation, and virtual laboratories |
Internet2 |
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A private network that uses internet software and TCP/IP protocols |
Intranet |
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A network that connects communications devices in a limited geographical region, such as a building, so that every user device on the network can communicate with every other device |
Local Area Network (LAN) |
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A computer program that searches several engines at once and integrates the findings of the various search engines to answer queries posted by users |
metasearch engine |
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Device that converts signals from analog to digital and vice versa |
Modem |
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Computers that act as exchange points for internet traffic and determine how traffic is routed |
Network access points (NAP) |
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The transmission technology that divides blocks of text into packets. |
Packet Switching |
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A type of client/server distributed processing that allows two or more computers to pool their resources, making each computer both a client and a server |
Peer to peer (P2P) processing |
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A web-based personalized gateway to information and knowledge that provides information from disparate information systems and the internet, using advanced search and indexing techniques |
Portal |
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The set of rules and procedures governing transmission across a network |
protocol |
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A communications processor that routes messages from a LAN to the internet, across several connected LANs or across a WAN such as the internet |
Router |
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A computer program that searches for specific information by key words and reports the results |
search engine |
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Computers that provide access to various network services, such as printing, data, and communications |
Servers |
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An interface standard for transporting digital signals over fiber-optic lines; allows the integration of transmissions from multiple vendors. |
Synchronous optical network (SONET) |
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A work arrangement whereby employees work at home, at the customer's premises, in special workplaces, or while traveling, usually using a computer linked to their place of employment |
telecommuting |
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The use of electronic communication that allows two or more people at different locations to have a simultaneous conference |
teleconferencing |
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A file transfer protocol that can send large files of information across sometimes unreliable networks with assurance that the data will arrive uncorrupted |
Transmission Control Protocol/Internet Protocol (TCP/IP) |
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A communications medium consisting of strands of copper wire twisted together in pairs. |
Twisted-pair wire |
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Common hardware and software platform that simplifies and integrates all forms of communications--voice, email, instant messaging, location, and videoconferencing--across an organization. |
unified communications |
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The set of letters that identifies the address of a specific resource on the Web |
Uniform Resource Locator (URL) |
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A virtual meeting in which participants in one lacation can see and hear participants at the other location and can share data and graphics by electronic means |
Videoconferencing |
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The use of digital technologies that enable organizations or individuals to collaboratively plan, design, develop, manage, and research products, services, and innovative information systems and electronic commerce applications |
Virtual collaboration |
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A work group whose members are in different locations and who meet electronically |
Virtual group (team) |
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Online universities in which students take classes via the internet at home or an off-site location |
Virtual Universities |
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Collectively, all of the web pages of a particular company or individual |
Web site |
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A network, generally provided by common carriers, that covers a wide geographic area |
Wide Area Network (WAN) |
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Two or more individuals who act together to perform some task, on either a permanent or temporary basis |
Work group |
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The movement of information as it flows through the sequence of steps that make up an organization's work procedures |
Workflow |
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A system of universally accepted standards for storing, retrieving, formatting, and displaying information via a client/server architecture; it uses the transport functions of the internet |
World Wide Web (WWW, The Web, W3) |