1 2 3 4

• Officially titled the Public Company Accounting Reform and Investor Protection Act of 2002, signed into law on 30 July 2002 by President Bush , is considered the most significant change to federal securities laws in the United States since the New Deal . It came in the wake of a series of corporate financial scandals , including those affecting Enron , Arthur Andersen , and WorldCom .
• The law is named after sponsors Senator Paul Sarbanes (D-MD) and Representative Michael G. Oxley (R-OH). It was approved by the House by a vote of 423-3 and by the Senate 99-0.
• The act was designed to review dated legislative audit requirements. The goal of the act was to protect investors by improving the accuracy and reliability of corporate disclosures. The act covers issues such as establishing a public company accounting oversight board, auditor independence, corporate responsibility and enhanced financial disclosure.

SERVER

• A computer or device on a network that manages network resources.
• A process that runs on a host that relays information to a client upon the client sending it a request. Servers come in many forms: application servers, web servers, database servers, and so forth. All IP-based servers can be load balanced.
• A Computer that provides service for other computers connected to it via a network. The most common example is a file server that has a local disk and services requests from remote clients to read and write files on that disk using the Network File System (NFS) protocol or network operating system software.
• A server is a computer that handles requests for data, email, file transfers, and other network services from other computers (ie, clients).

SMR RADIO
Specialized Mobile Radio, also see Enhanced Specialized Mobile Radio (ESMR)

• Specialized Mobile Radio (SMR) is any two-way radio system in which two or more mobile/portable wireless transceivers are linked by a single repeater.
• The repeater is elevated above average terrain; this maximizes the area of coverage.
• Operating frequencies are in the VHF (very-high-frequency) or UHF (ultra-high-frequency) range.
• In some ways, an SMR system is like a cellular telephone network. But there are important differences. An SMR system is simpler than a cellular telephone network. There is only one repeater in a SMR system, and it links only the mobile/portable units for that system, not to other repeaters.
• In SMR, the range of each individual mobile/portable transceiver is greater than the range of a cell phone set. But total system coverage is usually far more limited than that of a cellular network, because there is no linking among repeaters.

SQL
Structured Query Language

• A specialized language for sending queries to databases.
• Standard interactive and programming language for getting information from and updating a database.
• Developed by IBM in the 1970s. It is compatible with HTML and XML.
• The standardized query language for requesting information from a database.
• The de facto standard for database products, as well as an ISO and ANSI standard.
• Pronounced "sequel".

• The international high-speed signaling backbone used for the public-switched telephone network.
• An architecture for performing out-of-band signaling in support of the call-establishment, billing, routing, and information-exchange functions of the public switched telephone network (PSTN).
• Developed by Bellcore.
• International telecommunications protocol standard for transmitting digital data on a broadband network.
• The SS7 network allows call control and transaction messages from the integrated voice and data network to be transferred on communications paths that are separate from the voice and data connections.
• The PSTN standard for signaling that is used for transmitting information alongside the voice conversation of a phone call.
• Signaling System Number 7 is a network architecture that separates the management of telephone networks from the actual call switching. SS7 provides many benefits because the SS7 software applications can reside in computers rather than telephone exchanges. This allows for a healthy separation between software vendors and switch/exchange manufacturers.

• The address that identifies the location of a Web page on the World Wide Web.
• A technology for transmitting ordinary telephone calls over the Internet using packet linked routes.
• Also called IP telephony.

VIDEO STREAMING

• Before the development of "streaming" audio and video, a web user had to wait for an entire file to download before he/she could view a video or listen to an audio presentation. The download could take hours! Streaming allows video playback to begin almost immediately while the download is handled in the background.
• Is the transmission of full-motion video over the Internet. It "hogs bandwidth" on today's networks.

• A technology for transmitting ordinary telephone calls over the Internet using packetlinked routes. Also called IP telephony.
• The capability to carry normal telephony-style voice over an IP-based Internet.
• VoIP enables a router to carry voice traffic (for example, telephone calls and faxes) over an IP network.
• The technology used to transmit voice conversations over a data network using the Internet Protocol. Such data network may be the Internet or a corporate Intranet.
• The main advantage of VoIP is that users can connect from anywhere and make phone calls without incurring typical analog telephone charges, such as for long-distance calls.
• The real-time transmission of voice signals over the Internet or IP network.
• Pronounced "voyp".

• Is a computer network covering a wide geographical area, involving vast array of computers. This is different from personal area networks (PANs), metropolitan area networks (MANs) or local area networks (LANs) that are usually limited to a room or a building. The best example of a WAN is the Internet.

WEB SERVER

• A computer that delivers (serves up) Web pages. Every Web server has an IP address and possibly a domain name. For example, if you enter the URL http://www.pcwebopedia.com/index.html in your browser, this sends a request to the server whose domain name is pcwebopedia.com. The server then fetches the page named index.html and sends it to your browser. Any computer can be turned into a Web server by installing server software and connecting the machine to the Internet.

• Popular term for a high-frequency wireless local area network (WLAN).
• Is a way of transmitting information in wave form that is reasonably fast and is often used for notebooks.

WiMAX
Worldwide Interoperability for Microwave Access

• IEEE 802.16 is working group number 16 of IEEE 802, specializing in point-to-multipoint broadband wireless access. It also is known as WiMAX.
• The WiMAX Forum is a non-profit corporation formed to help promote and certify the compatibility and interoperability of BWA (Broadband Wireless Access) equipment.

back to top

1 2 3 4