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OA/T Chp 3 Terms
Office Administration/Technology Chp. 3 Terms
| Question | Answer |
|---|---|
| AUDIO CONFERENCE | A telephone call for three or more people to talk with one another, the conference call was the first form of audio conference. |
| BRIDGE | A communication processor that provides connection between two similar networks. |
| CAMERA PHONE | A cell phone enhance to capture photographic images they can be immediately sent to other camera phone users along with the message, downloaded to computers, or posted on the Internet. |
| CENTRAL EXCHANGE SYSTEM (CENTREX) | A telephone system were each extension is assigned a seven digit number for direct outward and direct inward dialing, leased from the regional telephone company. |
| CENTRALIZED COMPUTING | Processing Data in a mainframe or supercomputer with users entering data from local input devices, used by organization's along with one of the other computing models; distributed or collaborative. |
| CLIENT SERVER COMPUTING | Widely used form of distributed computing where a microcomputer, midrange computer, or a mainframe is a server to its clients (end user with a desktop PC, notebook, or WorkStation). |
| COLLABORATIVE COMPUTING | Networks are networked to accomplish integrated operations and link common processing tasks, the network infrastructure along with collaborative software tools support data, information, and process sharing. |
| COMPUTERIZED BRANCH EXCHANGE (CBX) | A computer based telephone communication system for automated telephone switching and management. |
| DIGITAL SUBSCRIBER LINE (DSL) | A high capacity digital transmission over existing twisted copper telephone lines from the office or home to the telephone switching station. |
| DIGITIZING | Converting data into digital information called bits. |
| ENTERPRISE NETWORK | Network that connects an organization's distributed networks into one single network; differing technologies are addressed and also can connect to external networks. |
| FOREIGN EXCHANGE | A special telephone service that provides customers a local number when calling a business located in another city; the toll charge for the call is billed to the listed number. |
| FRONT-END PROCESSOR | A small, specialized computer that communicates with the main Computer System and manages all routine telecommunications tasks. |
| GATEWAY | A communication processor that connects two dissimilar networks and translates the differences between the systems so that the computers can communicate with one another. |
| GLOBAL NETWORK | System that includes the networks of several organizations internationally; the Internet is the world's largest Computer Network. |
| INTERNATIONAL DIRECT DISTANCE DIALING (IDDD) | Direct dialing in overseas called by using the international access code, the code for the country called, the city your area code, and the local telephone number. |
| INWARD WIDE AREA TELEPHONE SERVICE (INWATS) | A toll free call for the caller by dialing a toll free area code and telephone number; the party with the toll free number pays for the call. |
| LOCAL AREA NETWORK (LAN) | A private network that supports communication within an office, building, or firm at lower computer costs for the company by linking Electronic Devices so data can be shared easily and at greater speeds then otherwise provided. |
| METROPOLITAN AREA NETWORK (MAN) | Connecting local area networks with fiber optic cable for high speed data transmission within a small geographic area. |
| MODEM | Devices that converts digital data codes from the Computer System into analog signals for transmission on telephone lines; required at the the receiving and sending locations. |
| MULTIPLEXER | Allows one communication channel to carry data from multiple sources at the same time; required it but the receiving and sending locations. |
| NETWORK INTERFACE CARD (NIC) | An expansion card that connects the microcomputer to a network enabling the exchange of data between computers; the cables are wireless transceivers of the microcomputer must be connected to an NIC. |
| NETWORK TOPOLOGY | A network configuration used in local area and wide area Telecommunications Networks; three basic configurations are bus, star, and ring. |
| PEER-TO-PEER COMPUTING | A form of distributed computing were all computers on the network can access organizational data, application software, public files, and peripherals connected to the network. |
| PRIVATE BRANCH EXCHANGE (PBX) | A special purpose computer that accepts and transmits voice and data using regular telephone lines no special wiring is required. |
| TELECOMMUNICATIONS | The exchange of voice, data, text, graphics, or audio and video information over computer based networks. |
| TETHERED LINE | Lying channels that are continuous; the three line channels are twisted wire, coaxial cable, and fiber optic cable. |
| TEXT TELEPHONE (TT) | Telephones designed to accommodate individuals with disabilities (deaf, hard of hearing, for speech impaired). |
| TIE LINE | A leased, private telephone connection linking business telephones in two locations; tie lines include T-1 and T-3 lines (dedicated service lines, DS1 and DS3). |
| VALUE ADDED NETWORK (VAN) | A private multimedia, multipath, third party managed, medium speed wide area network share by multiple organizations; services provided include network management comment the mail, Electronic Data interchange, and security. |
| VIRTUAL PRIVATE NETWORK (VPN) | Used by many organizations for intranet and extranet security when the Internet is the network backbone. |
| WIDE AREA TELEPHONE SERVICE (WATTS) | A fixed monthly subscription (full business day package or a measured time package) for national, regional, for State area calls. |
| WIRELESS CHANNEL | Low power radio frequencies or in for eared technologies to transmit digital communications between communication devices; wireless channels include terrestrial microwave, celestial satellites, Wireless Networks, bluetooth, and cellular. |
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