46 terms

Chapter 7 MIS 2

Business Driven informaiton systems
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3G
service that brings wireless broadband to mobile phones.,
802.11
set of standards carrying out wireless local area network communication.
Bandwidth
The maximum amount of data that can pass from one point to another in a unit of time.,
Bit
The smallest element of data and has a value of either 0 or 1.
Bit rate/data rate
The number of bits transferred or received per unit of time.
Bluetooth
Wireless PAN technology that transmits signals over short distances between cell phones, computers, and other devices.
Broadband
A high-speed Internet connection that is always connected.
Digital divide
A worldwide gap giving advantage to those with access to technology.
Digital subscriber line (DSL)
Allows high-speed digital data transmission over standard telephone lines.,
Domain name system (DNS)
Converts IP address into domains, or identifying labels that use a variety of recognizable naming conventions.,
Extranet
extension of an intranet that is only available to authorized outsiders, such as customers, partners, and suppliers.,
Geographic information system (GIS)
Consists of hardware, software, and data that provide location information for display on a multidimensional map.
Global positioning system (GPS)
A satellite-based navigation system providing extremely accurate position, time, and speed information.,
Internet cable connection
Provides Internet access using a cable television company's infrastructure and a special cable modem.
Internet Protocol TV (IPTV)
Distributes digital video content using IP across the Internet and private IP networks.,
Intranet
restricted network that relies on Internet technologies to provide an Internet-like environment within the company for information sharing, communications, collaboration, Web publishing, and the support of business process.,
Local area network (LAN)
Connects a group of computers in proximity, such as in an office building, school, or home.
Locations-based service (LBS)
Applications that use location information to provide a service.,
Metropolitan area network (MAN)
A large computer network usually spanning a city.,
Modem
device that enables a computer to transmit and receive data.,
National service provider (NSP)
Private companies that own and maintain the worldwide backbone that supports the Internet.
Network access point (NAP)
Traffic exchange points in the routing hierarchy of the Internet that connects NSPs.,
Network convergence
he efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures.,
Peer-to-peer (P2P)
A computer network that relies on the computing power and bandwidth of the participants in the network rather than a centralized server.
Personal area network (PAN)
Provide communication over a short distance that is intended for use with devices that are owned and operated by a single user.
Protocol
standard that specifies the format of data as well as the rules to be followed during transmission.
Radio-frequency identification (RFID)
Uses electronic tags and labels to identify objects wirelessly over short distances.
Regional service provider (RSP)
Offer Internet service by connecting to NSPs, but they also can connect directly to each other.,
Satellite
space station that orbits the Earth receiving and transmitting signals from Earth-based stations over a wide area.,
Secure hypertext transfer protocol (SHTTP or HTTPS)
A combination of HTTP and SSL to provide encryption and secure identification of an Internet server.
Secure sockets layer (SSL)
A standard security technology for establishing an encrypted link between a Web server and a browser, ensuring that all data passed between them remains private.
Smart phones
Offer more advanced computing ability and connectivity than basic cell phones.
SSL Certificate
An electronic document that confirms the identity of a website or server and verifies that a public key belongs to a trustworthy individual or company.
Streaming
method of sending audio and video files over the Internet in such a way that the user can view the file while it is being transferred.,
T1 line
A type of data connection able to transmit a digital signal at 1.544 Mpbs.
Transmission control protocol/Internet protocol (TCP/IP)
Provides the technical foundation for the public Internet as well as for large numbers of private networks.
Unified communications (UC)
The integration of communication channels into a single service.,
Virtual private network (VPN)
Companies can establish direct private network links among themselves or create private, secure Internet access, in effect a "private tunnel" within the Internet.,
Voice over IP (VoIP)
Uses IP technology to transmit telephone calls.
Wide area network (WAN)
Spans a large geographic area such as a state, province, or country.
Wi-Fi protected access (WPA)
A wireless security protocol to protect Wi-Fi networks.
Wireless fidelity (Wi-Fi)
A means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves.
Wireless LAN (WLAN)
A local area network that uses radio signals to transmit and receive data over distances of a few hundred feet.
Wireless MAN (WMAN)
A metropolitan area network that uses radio signals to transmit and receive data.
Wireless WAN (WWAN)
A wide area network that uses radio signals to transmit and receive data.
Worldwide Interoperability for Microwave Access (WiMAX)
A communications technology aimed at providing high-speed wireless data over metropolitan area networks.
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