tag:blogger.com,1999:blog-54443439699773828322012-03-14T14:02:10.065+02:00Web Terms and Acronyms across the Web Design and Development IndustryMaherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.comBlogger3791100tag:blogger.com,1999:blog-5444343969977382832.post-52117399429039971992011-12-02T01:00:00.001+02:002011-12-02T01:00:01.961+02:00

The application of computer technology to the management of biological information. Specifically, it is the science of developing computer databases and algorithms to facilitate and expedite biological research. Bioinformatics is being used largely in the field of human genome research by the Human Genome Project that has been determining the sequence of the entire human genome (about 3 billion

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-59638332378684892342011-11-27T01:00:00.000+02:002011-11-27T01:00:01.329+02:00

In data storage terminology, the word compliance is used to refer to industry-wide government regulations and rules that cite how data is managed and the need for organizations to be in compliance with those regulations. The term encompasses data storage, data archiving, data encryption, and also data retrieval. Compliance has become a major concern for organizations and businesses, due largely

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-90019799190535402072011-11-25T01:00:00.000+02:002011-11-25T01:00:01.983+02:00

Marketing automation is a component of customer relationship management (CRM) that uses software and applications, often SaaS or hosted applications, to automate marketing processes. The benefits to using automation is that is removes the time-consuming tasks associated with manual customer data management for list segmentation and campaign management.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-15885874223654075052011-11-22T01:00:00.000+02:002011-11-22T01:00:04.357+02:00

Management software is a general phrase used to describe a category of computer software designed to help streamline the complexity of large projects and tasks as well as facilitate team collaboration and project reporting. Most management software solutions can also handle resource and employee management, schedule coordination, task assignment, budgeting, time and risk analysis and more.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-413341919819786002011-11-21T01:00:00.002+02:002011-11-21T01:00:06.540+02:00

A portable computer that is small enough to be held in one's hand. Although extremely convenient to carry, handheld computers have not replaced notebook computers because of their small keyboards and screens. The most popular hand-held computers are those that are specifically designed to provide PIM (personal information manager) functions, such as a calendar and address book. Some

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-82131456222563766222011-11-19T01:00:00.000+02:002011-11-19T01:00:05.615+02:00

The technique by which a computer system can recognize characters and other symbols written by hand in natural handwriting. The technology is used for identification and also on devices such as PDA and tablet PCs where a stylus is used to handwrite on a screen with a stylus, after which the computer turns the handwriting into digital text.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-3108175985711498112011-11-17T01:00:00.002+02:002011-11-17T01:00:09.738+02:00

Interface with computers using gestures of the human body, typically hand movements. In gesture recognition technology, a camera reads the movements of the human body and communicates the data to a computer that uses the gestures as input to control devices or applications. For example, a person clapping his hands together in front of a camera can produce the sound of cymbals being crashed

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-2753201121970479682011-11-15T01:00:00.000+02:002011-11-15T01:00:04.872+02:00

In search engine optimization, off-page optimization refers to factors that have an effect on your Web site or Web page listing in natural search results. These factors are off-site in that they are not controlled by you or the coding on your page. Examples of off-page optimization include things such as link popularity and page rank. Contrast with on-page optimization.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-68124166926000997712011-11-15T00:50:00.000+02:002011-11-15T00:50:00.112+02:00

In search engine optimization, on-page optimization refers to factors that have an effect on your Web site or Web page listing in natural search results. These factors are controlled by you or by coding on your page. Examples of on-page optimization include actual HTML code, meta tags, keyword placement and keyword density. Contrast with off-page optimization.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-86212895467235700562011-11-13T01:00:00.000+02:002011-11-13T01:00:00.175+02:00

In reference to databases, data that contain errors. Dirty data can contain such mistakes as spelling or punctuation, incorrect data associated with a field, incomplete or outdated data or even data that is duplicated in the database.

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In Web analytics, the study of the impact of a Web site on its users, basic metrics is the term used to refer to the data in analytics programs that will give you an indication of who your site traffic is and where they are visiting from. Traffic sources metrics consists of the following data: - Direct Traffic: all those people showing up to your Web site by typing in the URL of your Web site

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-71769002630113997742011-11-09T01:00:00.000+02:002011-11-09T01:00:09.674+02:00

Short for Artificial Linguistic Computer Entity, an open source, natural language chatbot that relies on artificial intelligence for human interaction. ALICE is programmed with AIML (Artificial Intelligence Markup Language), a XML specification for programming chat bots. Its simplicity and ease-of-use allows non-programmers, who have some HTML experience, to create their own chat bots. With AIML

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-12008905071197703502011-11-07T01:00:00.001+02:002011-11-07T01:00:01.309+02:00

(1) A computer whose dominant characteristic is its ability to perform large amounts of numerical computations quickly. Supercomputers, for example, are sometimes called number crunchers. In addition, the term number cruncher is often applied to powerful workstations. (2) The term number cruncher is sometimes applied to programs. For example, statistical programs are number crunchers because

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-36053730161628268582011-11-05T01:00:00.000+02:002011-11-05T01:00:00.653+02:00

Abbreviated as EMS, an enterprise messaging system is an enterprise-grade system that enables "program-to-program" messaging between applications and systems throughout an enterprise. Enterprise messaging is widely used today for integrating various disparate enterprise applications. It is a software interface that enables loosely coupled asynchronous data (messages) to be sent by one program

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-7215418709212451742011-11-03T01:00:00.000+02:002011-11-03T01:00:02.882+02:00

A field of computer science covering digital images - images that can be stored on a computer, particularly bit-mapped images. Computer imaging is a wide field that includes digital photography, scanning, and composition and manipulation of bit-mapped graphics. Computer imaging is often called digital imaging.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-53085480262391501102011-11-01T01:00:00.002+02:002011-11-01T01:00:01.705+02:00

Also called automated merchandising or personalized product recommendations, in electronic commerce it is a search technology that integrates data and predictive analytics to generate site merchandising. While exact features of predictive merchandising services differ from vendor to vendor, there all have some common functions. Usually tracking tags are used in a merchant's e-mail and on-site

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-39287094737814205422011-10-30T01:00:00.000+02:002011-10-30T01:00:01.175+02:00

A self-contained operating environment that behaves as if it is a separate computer. For example, Java applets run in a Java virtual machine (VM) that has no access to the host operating system. This design has two advantages: - System Independence: A Java application will run the same in any Java VM, regardless of the hardware and software underlying the system. - Security: Because the VM has

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-9703365592231275642011-10-28T01:00:00.000+03:002011-10-28T01:00:00.457+03:00

The Message Passing Interface (MPI) is a library specification for message-passing. It is a standard API (Application Programming Interface) that can be used to create parallel applications. The MPI standardization effort makes use of the most attractive features of a number of existing message passing systems, rather than selecting one of them and adopting it as the standard.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-79376971576437276332011-10-26T18:42:00.000+03:002011-10-26T18:42:00.547+03:00

On eBay, eBay alternatives, and classified ad Web sites, DOA is an abbreviation used to mean dead on arrival, meaning item did not work when received by the buyer.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-80069094902061418952011-10-24T18:41:00.000+03:002011-10-24T18:41:00.779+03:00

A micro server (may also be written as microserver or MicroServer) is a small server appliance that works like a server. Micro servers are off-the-shelf appliances that are designed for ease of installation and maintenance. A micro server will come with the operating system, hardware and software preinstalled and configured by the manufacturer. Some configuration functions of the micro server may

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-44459700720059394142011-10-22T18:39:00.000+03:002011-10-22T18:39:00.107+03:00

Carbon neutral, also called carbon neutrality is a term used to describe the action of organizations, businesses and individuals taking action to remove as much carbon dioxide from the atmosphere as each put in to it. The overall goal of carbon neutrality is to achieve a zero carbon footprint. For example, a business may plant trees in different places around the world to offset the electricity

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-16736170236272119642011-10-20T18:38:00.000+03:002011-10-20T18:38:00.518+03:00

A communications interface technology developed by Intel that directly connects the Memory Controller Hub (the chip that controls the memory) to the I/O controller hub (the network interface) to eliminate network traffic through the PCI bus. The interface allows for full-duplex data transmission at gigabit speeds. Also, memory read and write operations have lower latencies because data moves

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-81811440056490539672011-10-18T18:36:00.000+03:002011-10-18T18:36:00.781+03:00

On the eBay auction Web site, feedback is the system buyers and sellers use to rate their experience with other eBay members. Once a transaction has been completed both the buyer and seller can choose to leave a rating for the other party with whom they conducted business. This rating consists of selecting an overall preset experience rating of positive, neutral or negative. The e-mail member can

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-16233583959525485952011-10-16T18:35:00.000+03:002011-10-16T18:35:00.704+03:00

The project coordinator works across groups, aligning internal team members and external stakeholders. IT project coordinators may coordinate project phases and schedules, arrange support services, order supplies, and track progress. The coordinator typically reports to the project manager and serves as a department liaison to product developers and marketing executives. IT project coordination

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-70152558377581986642011-10-14T19:40:00.000+03:002011-10-14T19:40:01.005+03:00

(1) A transmission path . (2) A set of properties that distinguishes one channel from another. For example, TV channels refer to particular frequencies at which radio waves are transmitted. IRC channels refer to specific discussions. (3) In sales and marketing, the way in which a vendor communicates with and sells products to consumers. (4) In a field-effect transistor, such as a MOSFE T, a

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-62838630212392808262011-10-12T19:39:00.000+03:002011-10-12T19:39:00.362+03:00

Short for management information system or management information services,and pronounced as separate letters, MIS refers broadly to a computer-based system that provides managers with the tools for organizing, evaluating and efficiently running their departments. In order to provide past, present and prediction information, an MIS can include software that helps in decision making, data

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-50032568712571538392011-10-10T19:29:00.000+03:002011-10-10T19:29:00.773+03:00

The act of making chalk marks on outdoor surfaces (walls, sidewalks, buildings, sign posts, trees) to indicate the existence of an open wireless network connection, usually offering an Internet connection so that others can benefit from the free wireless access. The open connections typically come from the access points of wireless networks located within buildings to serve enterprises. The chalk

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-23691582866103555172011-10-08T19:34:00.001+03:002011-10-08T19:34:00.162+03:00

(1) The combination of display monitor and keyboard (or other device that allows input). Another term for console is terminal. The term console usually refers to a terminal attached to a minicomputer or mainframe and used to monitor the status of the system. (2) Another term for monitor or display screen. (3) A bank of meters and lights indicating a computer's status, and switches that allow an

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-13292409900042514192011-10-06T19:37:00.002+03:002011-10-06T19:37:00.935+03:00

Used in Web analytics, it is the URL or IP address that tracks where a visitor to a Web page originated (e.g., previous page, link from another Web site, or search engine).

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-15299268132875258802011-10-04T19:21:00.000+03:002011-10-04T19:21:00.444+03:00

An audio broadcasting service that is transmitted through the Internet. Internet radio is similar in nature to Internet broadcasting, also called webcasting. However, those listening to the continuous stream audio broadcast have no control over the stream, similar to traditional radio broadcasting. Many radio stations worldwide offer their broadcast via Internet radio to a worldwide audience.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-87288916831954365762011-10-02T19:18:00.000+03:002011-10-02T19:18:00.429+03:00

A method of redundancy in which the secondary (i.e., backup) system is only called upon when the primary system fails. The system on cold standby receives scheduled data backups, but less frequently than a warm standby. Cold standby systems are used for non-critical applications or in cases where data is changed infrequently.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-45282337539914096192011-09-30T19:17:00.000+03:002011-09-30T19:17:00.715+03:00

Character sequences that reprogram specific keys on the keyboard. If ANSI.SYS is loaded, some bombs will display colorful messages, or have interesting, but usually unwanted graphical effects.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-1995886724352834042011-09-28T19:15:00.000+03:002011-09-28T19:15:00.241+03:00

In Web site security terminology, the word defacement is most often used to describe the changing or defacing of a Web page or Web site by an unauthorized individual or process, usually a hacker.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-782765115623837572011-09-26T19:14:00.000+03:002011-09-26T19:14:00.192+03:00

(n.) In Internet terminology, a generic name for a list of e-mail addresses or IP addresses that are considered to be spam free. Whitelists are used frequently with e-mail applications to allow users to compile lists of senders they wish to receive e-mail from. This list overrides any blacklists and spam filters, and allows the e-mails to be delivered to the users inbox instead of filtered out as

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-44074356528220775062011-09-24T19:13:00.000+03:002011-09-24T19:13:00.671+03:00

A common problem that occurs when burning data into a CD. It happens when the computer is not supplying data quickly enough to the CD writer for it to record the data properly. Recording data to a CD-R is a real-time process that must run nonstop without interruption of the signal. A computer will typically transfer the data to the CD-R faster than it is needed. The CD-R drive stores the incoming

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-7596096490119953502011-09-22T19:11:00.001+03:002011-09-22T19:11:00.460+03:00

(1) A common authentication technique whereby an individual is prompted (the challenge) to provide some private information (the response). Most security systems that rely on smart cards are based on challenge-response. A user is given a code (the challenge) which he or she enters into the smart card. The smart card then displays a new code (the response) that the user can present to log in. (2)

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-26436908051406288342011-09-20T19:10:00.000+03:002011-09-20T19:10:00.845+03:00

A slang term used to describe any non-standard type of Web advertisement. This type of ad is not a banner ad, streaming video or text ad, which are common online, but rather it goes beyond that. An example of this type of ad would be a rich-media ad where users can interact with the ad as it is displayed through navigation options to find out more information without clicking through to the

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-54193864165445363582011-09-18T19:07:00.000+03:002011-09-18T19:07:00.803+03:00

Short for DNS Based List, DNS Blacklist, or DNS Blocklist. A published list of IP addresses that can be queried through the Internet. DNSBLs are used to publish IP addresses associated with e-mail spam and spamming. Most mail servers can be configured to reject messages from addresses on a DNSBL. An address found in a DNSBL may be directly associated with spam, or may have made the list due to

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-67331195482455424372011-09-16T19:08:00.000+03:002011-09-16T19:08:00.206+03:00

The fastest type of computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. For example, weather forecasting requires a supercomputer. Other uses of supercomputers include animated graphics, fluid dynamic calculations, nuclear energy research, and petroleum exploration. The chief difference between a

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-79452077679826987262011-09-14T19:06:00.000+03:002011-09-14T19:06:00.766+03:00

Slang term for a router that goes down (offline) and whose absence goes undetected by other routers on the network. Packets that are forwarded to that router simply get dropped and never arrive at their destination. Black holes are unable to generate destination unreachable messages, so users are left unaware that data is being lost.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-72395482079544072242011-09-12T19:05:00.000+03:002011-09-12T19:05:00.554+03:00

(1) When used to describe hardware, portable means small and lightweight. A portable computer is a computer small enough to carry. Portable computers include notebook and subnotebook computers, hand-held computers, palmtops, and PDAs (2) When used to describe software, portable means that the software has the ability to run on a variety of computers. Portable and machine independent mean the

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-48192218267370286572011-09-10T19:04:00.000+03:002011-09-10T19:04:00.155+03:00

A type of biometrics identification system that uses veins in a person's body to establish identity. Vein ID Systems use infrared light to scan the user's hand and look for a pattern of veins in order to make an identification match. Both Hitachi and Fujitsu have developed commercial Vein ID Systems.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-4824678270649477082011-09-08T19:01:00.000+03:002011-09-08T19:01:00.801+03:00

Short for authentication, authorization and accounting, a system in IP-based networking to control what computer resources users have access to and to keep track of the activity of users over a network. Authentication is the process of identifying an individual, usually based on a username and password. Authentication is based on the idea that each individual user will have unique information

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-89146973267839164962011-09-06T18:57:00.002+03:002011-09-06T18:57:00.734+03:00

A numerical value given to computer equipment to indicate its durability when physically dropped or subjected to another force. Shock rating is typically described as the acceleration of gravity (G) over a given time, typically a millisecond (msec). For example, a shock rating of 100-200 Gs/1 msec, equivalent to a drop of less than a foot, indicates that a device dropped from less than a foot

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-66659340848294457642011-09-04T18:56:00.000+03:002011-09-04T18:56:00.617+03:00

A slang term used to describe a blog that is created only to handle a business public relations crisis. Crisis blogs enable a company to immediately respond to an allegation or rumor.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-35274926859068680782011-09-02T18:54:00.002+03:002011-09-02T18:54:00.200+03:00

Acronym for Spam and Open Relay Blocking System. SORBS was originally an anti-spam project where a daemon would check, in real time, all servers from which it received e-mail to determine if that e-mail was sent via various types of proxy and open-relay servers. SORBS has evolved into SORBS DNSbl (DNS-based blacklist) which now includes more than 3 million listed hosts that are considered to be

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-18063377039587494452011-08-30T18:50:00.000+03:002011-08-30T18:50:00.527+03:00

Short for Realtime Blackhole List, a list of IP addresses whose owners refuse to stop the proliferation of spam. The RBL usually lists server IP addresses from ISPs whose customers are responsible for the spam and from ISPs whose servers are hijacked for spam relay. As subscribers to the RBL, ISPs and companies will know from which IP addresses to block traffic. Most traffic blocking occurs

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-83279105472267033292011-08-29T18:41:00.002+03:002011-08-29T18:41:50.482+03:00

A canonical URL is a URL that is the best indexed version. It does not contain any duplicate material which can be a problem when using inconsistent links as the same content can get indexed many times for different URLs and this can cause problems. In order to index the root level of a URL it is best to end it in / this prevents it being duplicated.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-36528374683770393842011-08-26T18:48:00.000+03:002011-08-26T18:48:00.614+03:00

Slang term used to mean a person who has been exploited, oppressed or otherwise treated badly by their boss in their workplace. This slang word is derived from the fictional character, named Dilbert, from the comic strip of the same name. Dilbert, which was first published in April 1989, is written and drawn by Scott Adams.

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A virus that stays in memory after it executes and after its host program is terminated. In contrast, non-memory-resident viruses only are activated when an infected application runs.

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Formally called Apache Hadoop, it is an Apache Software Foundation project and is an open source software platform for scalable, distributed computing. Hadoop can provide fast and reliable analysis of both structured data and unstructured data . Given its capabilities to handle large data sets, it is often associated with the phrase Big Data. The Apache Hadoop software library is essentially

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In data storage terminology, thin provisioning is the term used to describe the consolidation and automated process of allocating just "the exact required amount" of server space at the time it is required. Thin provisioning is most commonly used in centralized large storage systems such as SANs and also in storage virtualization environments where administrators plan for both current and future

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A four tier system that provides a simple and effective means for identifying different data center site infrastructure design topologies. The Uptime Institute's tiered classification system is an industry standard approach to site infrastructure functionality addresses common benchmarking standard needs. The four tiers, as classified by The Uptime Institute include the following: Tier 1:

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(1) Distinct pieces of information, usually formatted in a special way. All software is divided into two general categories: data and programs. Programs are collections of instructions for manipulating data. Data can exist in a variety of forms -- as numbers or text on pieces of paper, as bits and bytes stored in electronic memory, or as facts stored in a person's mind. Strictly speaking, data

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The term used to describe the process and service that automates payment transactions between the shopper and merchant. It is usually a third-party service that is actually a system of computer processes that process, verify, and accept or decline credit card transactions on behalf of the merchant through secure Internet connections.

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Database server is the term used to refer to the back-end system of a database application using client/server architecture. The back-end, sometimes called a database server, performs tasks such as data analysis, storage, data manipulation, archiving, and other non-user specific tasks.

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Web servers are computers that deliver (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 Web 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

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Frag is a commonly used term in first-person shooter games. When you kill an opponent in the game you call it a "frag" rather than kill. The term frag is commonly associated with multi-player death-match games. The word frag was first used in the Vietnam war, but there is some discrepancies as to the meaning of word from this time. Some references point to it being used to describe a soldier who

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Short for Lightweight Directory Access Protocol, a set of protocols for accessing information directories. LDAP is based on the standards contained within the X.500 standard, but is significantly simpler. And unlike X.500, LDAP supports TCP/IP, which is necessary for any type of Internet access. Because it's a simpler version of X.500, LDAP is sometimes called X.500-lite. Although not yet widely

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(n) An organized list of instructions that, when executed, causes the computer to behave in a predetermined manner. Without programs, computers are useless. A program is like a recipe. It contains a list of ingredients (called variables) and a list of directions (called statements) that tell the computer what to do with the variables. The variables can represent numeric data, text, or graphical

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Refers to various techniques and devices for storing large amounts of data. The earliest storage devices were punched paper cards, which were used as early as 1804 to control silk-weaving looms. Modern mass storage devices include all types of disk drives and tape drives. Mass storage is distinct from memory, which refers to temporary storage areas within the computer. Unlike main memory, mass

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Video blogging, sometimes shortened to vlogging (pronounced 'vlogging', as opposed to 'v-logging') or vidding or vidblogging is a form of blogging for which the medium is video, and is a form of Internet television. Entries often combine embedded video or a video link with supporting text, images, and other metadata. Entries can be recorded in one take or cut into multiple parts. It is also a

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A technique used to make flat-panel displays easier to read. A backlit display is illuminated so that the foreground appears sharper in contrast with the background.

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Tax software is defined as a type of computer software designed to help individuals or companies prepare for and file income, corporate and similar tax returns. Tax software streamlines the process of filing taxes by walking the user through tax forms and issues and also automatically calculates the individual's or company's tax obligations. Many personal tax software applications are now

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Network management refers to the broad subject of managing computer networks. There exists a wide variety of software and hardware products that help network system administrators manage a network. Network management covers a wide area, including: Security: Ensuring that the network is protected from unauthorized users. Performance: Eliminating bottlenecks in the network. Reliability: Making

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The term broadband is used to describe a type of data transmission in which a single medium (wire) can carry several channels at once. Cable TV, for example, uses broadband transmission. In contrast, baseband transmission allows only one signal at a time. Most communications between computers, including the majority of local-area networks, use baseband communications. An exception is B-ISDN

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Domain names are used to identify one or more IP addresses. For example, the domain name microsoft.com represents about a dozen IP addresses. Domain names are used in URLs to identify particular Web pages. For example, in the URL http://www.pcwebopedia.com/index.html, the domain name is pcwebopedia.com. Every domain name has a suffix that indicates which top level domain (TLD) it belongs to.

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Also called an appserver, an application server is a program that handles all application operations between users and an organization's backend business applications or databases. An application server is typically used for complex transaction-based applications. To support high-end needs, an application server has to have built-in redundancy, monitor for high-availability, high-performance

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SaaS - Software as a Service, Storage as a Service 1) Short for Software as a Service, SaaS is a software delivery method that provides access to software and its functions remotely as a Web-based service. Software as a Service allows organizations to access business functionality at a cost typically less than paying for licensed applications since SaaS pricing is based on a monthly fee. Also,

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Cryptographic Service Provider (abbreviated as CSP) provides software or hardware-based encryption and decryption services. It contains implementations of cryptographic standards and algorithms. At a minimum, a CSP consists of a dynamic-link library (DLL) that implements the functions in CryptoSPI (a system program interface). Most CSPs contain the implementation of all of their own functions.

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Data center management refers to the role of an individual within the data center (data center manager) who is responsible for overseeing technical and IT issues within the data center. This includes computer and server operations, data entry, data security, data quality control and management of the services and applications used for data processing. Data center management integrates into other

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A method of redundancy in which the secondary (i.e., backup) system runs in the background of the primary system. Data is mirrored to the secondary server at regular intervals, which means that there are times when both servers do not contain the exact same data.

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A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users. Although the means to carry out, motives for, and targets of a DoS attack may vary, it generally consists of the concerted efforts of a person or people to prevent an Internet site or service from functioning efficiently or at

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-12018852892744100102011-05-23T15:56:00.000+03:002011-05-23T15:56:00.148+03:00

A specialized field in computer networking that involves securing a computer network infrastructure. Network security is typically handled by a network administrator or system administrator who implements the security policy, network software and hardware needed to protect a network and the resources accessed through the network from unauthorized access and also ensure that employees have

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-33543271297578790252011-05-20T14:09:00.000+03:002011-05-20T14:09:00.448+03:00

A formula or set of steps for solving a particular problem. To be an algorithm, a set of rules must be unambiguous and have a clear stopping point. Algorithms can be expressed in any language, from natural languages like English or French to programming languages like FORTRAN. We use algorithms every day. For example, a recipe for baking a cake is an algorithm. Most programs, with the exception

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Programming code that, once compiled, is run through a virtual machine instead of the computer's processor. By using this approach, source code can be run on any platform once it has been compiled and run through the virtual machine. Bytecode is the compiled format for Java programs. Once a Java program has been converted to bytecode, it can be transferred across a network and executed by Java

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-60799659791462184582011-05-18T15:34:00.000+03:002011-05-18T15:34:00.154+03:00

Practices that promote or preserve the shape of an entire data infrastructure (e.g., network, servers, databases, storage, software). Data Infrastructure Hygiene essentially refers to any activity that reduces the stress of information growth on the data infrastructure and enables the efficient access, movement and protection of data while reducing overall infrastructure and maintenance costs.

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In Green IT, Power Usage Effectiveness (PUE) is a calculation used to determine energy efficiency measurements. PUE is calculated by measuring the ratio of total energy consumption-the combination of servers plus the cooling to "useful" energy consumption (just servers). PUE is a green computing tool being promoted by The Green Grid as a way to measure the power delivered to IT equipment in its

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A programming language that is once removed from a computer's machine language. Machine languages consist entirely of numbers and are almost impossible for humans to read and write. Assembly languages have the same structure and set of commands as machine languages, but they enable a programmer to use names instead of numbers. Each type of CPU has its own machine language and assembly language,

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In video surveillance, motion detection refers to the capability of the surveillance system to detect motion and capture the events. Motion detection is usually a software-based monitoring algorithm which, when it detects motions will signal the surveillance camera to begin capturing the event. Also called activity detection. An advanced motion detection surveillance system can analyze the type

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An intrusion detection system (IDS) inspects all inbound and outbound network activity and identifies suspicious patterns that may indicate a network or system attack from someone attempting to break into or compromise a system. There are several ways to categorize an IDS: misuse detection vs. anomaly detection: in misuse detection, the IDS analyzes the information it gathers and compares it

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In a homogeneous register architectures, the selection of an instruction has no connection whatsoever with the types of registers that the instruction uses. Selecting instructions for non-homogeneous register architectures usually requires allocating register types for the operands and resulting data. As a consequence, the IR patterns associated with instructions in this kind of processor should

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Holographic storage is a mass storage technology that uses three-dimensional holographic images to enable more information to be stored in a much smaller space. The technology uses holograms which are created when a light from a single laser beam is split into two beams; the signal beam (which carries the data) and the reference beam. In holographic storage, at the point where the reference beam

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-90974525929248774562011-05-07T15:33:00.000+03:002011-05-07T15:33:00.447+03:00

A function that performs a computation on a set of values rather than on a single value. For example, finding the average or mean of a list of numbers is an aggregate function. All database management and spreadsheet systems support a set of aggregate functions that can operate on a set of selected records or cells.

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A programmed routine that has its parameters set by the user of the system. User defined functions often are seen as programming shortcuts as they define functions that perform specific tasks within a larger system, such as a database or spreadsheet program.

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-82216697247554017602011-05-04T13:59:00.000+03:002011-05-04T13:59:00.152+03:00

Also spelled analogue, describes a device or system that represents changing values as continuously variable physical quantities. A typical analog device is a clock in which the hands move continuously around the face. Such a clock is capable of indicating every possible time of day. In contrast, a digital clock is capable of representing only a finite number of times (every tenth of a second,

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Internationalized Domain Names (IDNs) are domain names or Web addresses, represented by local language characters. When a user types an IDN in local language characters, an IDN resolution process is required to locate the corresponding Web site or e-mail address. The native language domain name will be followed by .com or .net. The goal of Internationalized Domain Names is to improve the

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Abbreviated DSS, the term refers to an interactive computerized system that gathers and presents data from a wide range of sources, typically for business purposes. DSS applications are systems and subsystems that help people make decisions based on data that is culled from a wide range of sources. For example: a national on-line book seller wants to begin selling its products internationally

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The person, company or entity who owns or holds a domain name. When corporations and companies register a domain name, the registrant should be the company name (not an individual employee within the company) to ensure the business maintains ownership of the domain name.

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Is a subset of both computer graphics and animation technologies. It is the creation of moving images (animation) using computer technology. Computer animation is broken down into two categories. Computer-generated animation where the animation is designed solely on the computer system using animation and 3D graphics software, and computer-assisted animation where traditional animations are

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Pertaining to a number system that has just two unique digits. For most purposes, we use the decimal number system, which has ten unique digits, 0 through 9. All other numbers are then formed by combining these ten digits. Computers are based on the binary numbering system, which consists of just two unique numbers, 0 and 1. All operations that are possible in the decimal system (addition,

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A secret message or screen buried in an application. Typically, easter eggs are used to display the credits for the development team or to display a humorous message. To see an easter egg, you need to know a special procedure or sequence of keystrokes. For example, follow these instructions to see a list of people who worked on the User Assistance feature of Microsoft Word 2000: 1. Open

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Inbound CRM (customer relationship management) is the term used to describe customer experience when the customer initiates the contact with the business. The contact can be initiated through any means of communication, including an inbound call center or via the business' online website. Often, inbound CRM is a part of the sales or customer support relationship.

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Pronounced kwer-tee, refers to the arrangement of keys on a standard English computer keyboard or typewriter. The name derives from the first six characters on the top alphabetic line of the keyboard. The arrangement of characters on a QWERTY keyboard was designed in 1868 by Christopher Sholes, the inventor of the typewriter. According to popular myth, Sholes arranged the keys in their odd

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Computer forensics, is the application of scientifically proven methods to gather, process, interpret, and to use digital evidence to provide a conclusive description of cyber crime activities. Cyber forensics also includes the act of making digital data suitable for inclusion into a criminal investigation. Today cyber forensics is a term used in conjunction with law enforcement, and is offered

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Direct Web Remoting (DWR) is a Java open source library for those wanting to develop Web sites which contain Ajax. DWR enables the Javascript in a browser to interact with Java on a server, just as if it were in the browser. DWR encompasses two main components; a Java Servlet running on the server that processes requests and sends responses back to the browser, and JavaScript running in the

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-15776444528631843032011-04-12T13:28:00.000+03:002011-04-12T13:28:49.933+03:00

A type of software licensing agreement that grants the purchaser permission to use the software on a network on a single site, with an unlimited number of end users. Usually this type of license allows you to copy and use the software on multiple computers at one site and is more expensive than purchasing a single copy but less expensive than purchasing a copy for each computer at the site. There

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-36173218373165423312011-03-25T23:10:00.000+02:002011-04-26T00:10:39.732+03:00

IPv6 (Internet Protocol Version 6) is also called IPng (Internet Protocol next generation) and it is the newest version of the Internet Protocol (IP) reviewed in the IETF standards committees to replace the current version of IPv4 (Internet Protocol Version 4). The official name of IPng is IPv6, where IP stands for Internet Protocol and v6 stands for version 6. Internet Protocol Version 6 (IPv6

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-63761452252151075212011-03-19T23:11:00.000+02:002011-04-26T00:11:17.115+03:00

Short for Primary-Rate Interface, a type of ISDN service designed for larger organizations. PRI includes 23 B-channels (30 in Europe) and one D-Channel. In contrast, BRI (Basic-Rate Interface), which is designed for individuals and small businesses, contains just two B-channels and one D-channel. PRI service is generally transmitted through a T-1 line (or an E1 line in Europe).

Maherhttp://www.blogger.com/profile/11094116447666115440noreply@blogger.com0tag:blogger.com,1999:blog-5444343969977382832.post-49274198780443186602011-03-10T21:13:00.000+02:002011-04-12T02:49:33.395+03:00

Short for Multi-User Dungeon (or Multi-User Dimension) a cyberspace where users can take on an identity in the form of an avatar and interact with one another. Originally, MUDs tended to be adventure games played within enormous old castles with hidden rooms, trap-doors, exotic beasts, and magical items. Nowadays, the term is used more generically to refer to any cyberspace. MUDs are also known

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