Wednesday, November 11, 2009

Internet Explorer


Windows Internet Explorer (formerly Microsoft Internet Explorer; abbreviated to MSIE or, more commonly, IE), is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems starting in 1995. It has been the most widely used web browser since 1999, attaining a peak of about 95% usage share during 2002 and 2003 with IE5 and IE6.

That percentage share has since declined in the face of renewed competition from other web browsers – Mozilla Firefox most of all. Microsoft spent over $100 million a year on IE[1] in the late 1990s, with over 1,000 people working on it by 1999.[2]

The latest release is Internet Explorer 8, which is available as a free update for Windows XP with Service Pack 2 or later, Windows Server 2003 with Service Pack 1 or later, Windows Vista, and Windows Server 2008, and is included with Windows 7 and Windows Server 2008 R2, except in Europe[3][4].

Versions of Internet Explorer for other operating systems have also been produced, including Internet Explorer Mobile (Windows CE and Windows Mobile), Internet Explorer for Mac and Internet Explorer for UNIX (Solaris and HP-UX).

Internet television


Internet television (otherwise known as Internet TV, Catch-up TV or Online TV) is television service distributed via the Internet. It has become very popular at the end of the first decade of the 21st century due to services such as the BBC iPlayer (in and limited to the United Kingdom) and Hulu (limited to the United States); see List of Internet television providers.

Internet pornography

Internet pornography is pornography that is distributed by means of various sectors of the Internet, primarily via websites, peer-to-peer file sharing, or Usenet newsgroups. While pornography had been traded over the Internet since the 1980s, it was the invention of the World Wide Web in 1991 as well as the opening of the Internet to the general public around the same time that led to an explosion in online pornography.

Like videotapes and DVDs, the Internet has proved popular for distributing pornography because it allows people to view pornography (essentially) anonymously in the comfort and privacy of their homes. It also allows access to pornography by people whose access is otherwise restricted for legal or social reasons.

Internet Protocol

The Internet Protocol (IP) is a protocol used for communicating data across a packet-switched internetwork using the Internet Protocol Suite, also referred to as TCP/IP.

IP is the primary protocol in the Internet Layer of the Internet Protocol Suite and has the task of delivering distinguished protocol datagrams (packets) from the source host to the destination host solely based on their addresses. For this purpose the Internet Protocol defines addressing methods and structures for datagram encapsulation. The first major version of addressing structure, now referred to as Internet Protocol Version 4 (IPv4) is still the dominant protocol of the Internet, although the successor, Internet Protocol Version 6 (IPv6) is being deployed actively worldwide.

Telecommunication


Telecommunication is transmission over a distance for the purpose of communication. In earlier times, this may have involved the use of smoke signals, drums, semaphore, flags or heliograph. In modern times, telecommunication typically involves the use of electronic devices such as the telephone, television, radio or computer. Early inventors in the field of telecommunication include Alexander Graham Bell, Guglielmo Marconi and John Logie Baird. Telecommunication is an important part of the world economy and the telecommunication industry's revenue was estimated to be $1.2 trillion in 2006.

Social network service


A social network service focuses on building online communities of people who share interests and/or activities, or who are interested in exploring the interests and activities of others. Most social network services are web based and provide a variety of ways for users to interact, such as e-mail and instant messaging services.

The main types of social networking services are those which contain category divisions (such as former school-year or classmates), means to connect with friends (usually with self-description pages) and a recommendation system linked to trust. Popular methods now combine many of these, with Facebook and Twitter widely used worldwide; MySpace and LinkedIn being the most widely used in North America;[1] Nexopia (mostly in Canada);[2] Bebo,[3] Hi5, StudiVZ (mostly in Germany), iWiW (mostly in Hungary), Tuenti (mostly in Spain), Decayenne, Tagged, XING;[4], Badoo[5] and Skyrock in parts of Europe;[6] Orkut and Hi5 in South America and Central America;[7] and Friendster, Mixi, Multiply, Orkut, Wretch, Xiaonei and Cyworld in Asia and the Pacific Islands and Orkut and Facebook in India.

There have been some attempts to standardize these services to avoid the need to duplicate entries of friends and interests (see the FOAF standard and the Open Source Initiative), but this has led to some concerns about privacy.

Voice over Internet Protocol


Voice over Internet Protocol (VoIP) is a general term for a family of transmission technologies for delivery of voice communications over IP networks such as the Internet or other packet-switched networks. Other terms frequently encountered and synonymous with VoIP are IP telephony, Internet telephony, voice over broadband (VoBB), broadband telephony, and broadband phone.

Internet telephony refers to communications services — voice, facsimile, and/or voice-messaging applications — that are transported via the Internet, rather than the public switched telephone network (PSTN). The basic steps involved in originating an Internet telephone call are conversion of the analog voice signal to digital format and compression/translation of the signal into Internet protocol (IP) packets for transmission over the Internet; the process is reversed at the receiving end.[1]

VoIP systems employ session control protocols to control the set-up and tear-down of calls as well as audio codecs which encode speech allowing transmission over an IP network as digital audio via an audio stream. Codec use is varied between different implementations of VoIP (and often a range of codecs are used); some implementations rely on narrowband and compressed speech, while others support high fidelity stereo codecs.

Internet Cafe'


The internet cafe phenomenon was started in July 1991 by Wayne Gregori in San Francisco when he began SFnet Coffeehouse Network. Gregori designed, built and installed 25 coin operated computer terminals in coffeehouses throughout the San Francisco Bay Area. The cafe terminals dialed into a 32 line Bulletin Board System that offered an array of electronic services including FIDOnet mail and, in 1992, Internet mail. See SFnet Press Archive

The concept and name, Cybercafé, was invented in early 1994 by Ivan Pope. Commissioned to develop an Internet event for an arts weekend at the Institute of Contemporary Arts (ICA) in London, and inspired by the SFnet terminal based cafes, Pope wrote a proposal outlining the concept of a café with Internet access from the tables. The event was run over the weekend of 12-13 March 1994 during the 'Towards the Aesthetics of the Future' event.

In June 1994, The Binary Cafe, Canada's first Internet café, opened in Toronto, Ontario.

After an initial appearance at the conference site of the 5th International Symposium on Electronic Art, ISEA, in August 1994, an establishment called CompuCafe was established in Helsinki, Finland, featuring both Internet access and a robotic beer seller.

Inspired partly by the ICA event, a commercial establishment of this type, called Cyberia,[1] opened on September 1, 1994 in London, England.

The first public, commercial American Internet cafe was conceived and opened by Jeff Anderson in August 1994, at Infomart in Dallas, Texas and was called The High Tech Cafe.[1]

Next, in the USA, three Internet cafés opened in the East Village neighborhood of New York City: Internet Cafetm, opened by Arthur Perley, the @ Cafe, and the Heroic Sandwich.[2]

A variation of Internet café called PC bang (similar to LAN gaming center) became extremely popular in South Korea when StarCraft came out in 1997. Although computer and broadband penetration per capita were very high, young people went to PC bangs to play multiplayer games

WIFI


The name of a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. The Wi-Fi Alliance, the organization that owns the Wi-Fi (registered trademark) term specifically defines Wi-Fi as any "wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards."

Chat


Real-time communication between two users via computer. Once a chat has been initiated, either user can enter text by typing on the keyboard and the entered text will appear on the other user's monitor. Most networks and online services offer a chat feature.

Tuesday, November 10, 2009

ISP


Short for Internet Service Provider, a company that provides access to the Internet. For a monthly fee, the service provider gives you a software package, username, password and access phone number. Equipped with a modem, you can then log on to the Internet and browse the World Wide Web and USENET, and send and receive e-mail.
In addition to serving individuals, ISPs also serve large companies, providing a direct connection from the company's networks to the Internet. ISPs themselves are connected to one another through Network Access Points (NAPs).

ISPs are also called IAPs (Internet Access Providers).

videoconferencing


Conducting a conference between two or more participants at different sites by using computer networks to transmit audio and video data. For example, a point-to-point (two-person) video conferencing system works much like a video telephone. Each participant has a video camera, microphone, and speakers mounted on his or her computer. As the two participants speak to one another, their voices are carried over the network and delivered to the other's speakers, and whatever images appear in front of the video camera appear in a window on the other participant's monitor.
Multipoint videoconferencing allows three or more participants to sit in a virtual conference room and communicate as if they were sitting right next to each other. Until the mid 90s, the hardware costs made videoconferencing prohibitively expensive for most organizations, but that situation is changing rapidly. Many analysts believe that videoconferencing will be one of the fastest-growing segments of the computer industry in the latter half of the decade.

NetMeeting


A product developed by Microsoft Corporation that enables groups to teleconference using the Internet as the transmission medium. NetMeeting supports VoIP, chat sessions, a whiteboard, and application sharing. It's built into Microsoft's Internet Explorer Web browser.

Modem


mō´dem) (n.) Short for modulator-demodulator. A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. A modem converts between these two forms.
Fortunately, there is one standard interface for connecting external modems to computers called RS-232. Consequently, any external modem can be attached to any computer that has an RS-232 port, which almost all personal computers have. There are also modems that come as an expansion board that you can insert into a vacant expansion slot. These are sometimes called onboard or internal modems.

While the modem interfaces are standardized, a number of different protocols for formatting data to be transmitted over telephone lines exist. Some, like CCITT V.34, are official standards, while others have been developed by private companies. Most modems have built-in support for the more common protocols -- at slow data transmission speeds at least, most modems can communicate with each other. At high transmission speeds, however, the protocols are less standardized.

Aside from the transmission protocols that they support, the following characteristics distinguish one modem from another:

bps : How fast the modem can transmit and receive data. At slow rates, modems are measured in terms of baud rates. The slowest rate is 300 baud (about 25 cps). At higher speeds, modems are measured in terms of bits per second (bps). The fastest modems run at 57,600 bps, although they can achieve even higher data transfer rates by compressing the data. Obviously, the faster the transmission rate, the faster you can send and receive data. Note, however, that you cannot receive data any faster than it is being sent. If, for example, the device sending data to your computer is sending it at 2,400 bps, you must receive it at 2,400 bps. It does not always pay, therefore, to have a very fast modem. In addition, some telephone lines are unable to transmit data reliably at very high rates.
voice/data: Many modems support a switch to change between voice and data modes. In data mode, the modem acts like a regular modem. In voice mode, the modem acts like a regular telephone. Modems that support a voice/data switch have a built-in loudspeaker and microphone for voice communication.
auto-answer : An auto-answer modem enables your computer to receive calls in your absence. This is only necessary if you are offering some type of computer service that people can call in to use.
data compression : Some modems perform data compression, which enables them to send data at faster rates. However, the modem at the receiving end must be able to decompress the data using the same compression technique.
flash memory : Some modems come with flash memory rather than conventional ROM, which means that the communications protocols can be easily updated if necessary.
Fax capability: Most modern modems are fax modems, which means that they can send and receive faxes.
To get the most out of a modem, you should have a communications software package, a program that simplifies the task of transferring data

ROUTER


(row´ter) (n.) A device that forwards data packets along networks. A router is connected to at least two networks, commonly two LANs or WANs or a LAN and its ISP’s network. Routers are located at gateways, the places where two or more networks connect.
Routers use headers and forwarding tables to determine the best path for forwarding the packets, and they use protocols such as ICMP to communicate with each other and configure the best route between any two hosts.

Very little filtering of data is done through routers.

VSAT


Short for very small aperture terminal, an earthbound station used in satellite communications of data, voice and video signals, excluding broadcast television. A VSAT consists of two parts, a transceiver that is placed outdoors in direct line of sight to the satellite and a device that is placed indoors to interface the transceiver with the end user's communications device, such as a PC. The transceiver receives or sends a signal to a satellite transponder in the sky. The satellite sends and receives signals from a ground station computer that acts as a hub for the system. Each end user is interconnected with the hub station via the satellite, forming a star topology. The hub controls the entire operation of the network. For one end user to communicate with another, each transmission has to first go to the hub station that then retransmits it via the satellite to the other end user's VSAT. VSAT can handle up to 56 Kbps.

Web Security


The W3 conventions form a powerful tool for bringing together a widespread academic community. These conventions will allow current and future software systems to work together harmoniously across different platforms. Software is available, and continually being contributed, to allow information to be presented to a world audience, and read by anyone. If the need arises, restricted access to particular servers can be implemented easily.

Spam


Of course everyone is tired of spam. Put an end to this spam problem – we got the solutions here.

Spy ware has its weakness. Know the basics so you will be on guard for defense. Internet security is very important. Your home computer will be safe and secured if you follow the steps presented in our articles.

Identify theft by knowing how to safeguard yourself against this growing menace in the internet. Find out if your internet marketer provides computer security. Know more about filtering techniques by reading our spam articles.

Newsletters


Electronic magazines and newsletters are indispensable in providing relevant and important information on the internet, not to mention their role in website management.

Find out from our newsletter articles the tips on how to start a magazine publishing. Get useful insights into magazine publishing that you will find very applicable to your own publication.

Choose from among the free inspirational newsletter ideas and free safety newsletter templates. Provide quality articles to your readers using our tips for adding content to your ezine.

Internet Marketing


In its general sense, internet marketing covers a wide area in the internet business. Allow our writers to guide you through the important things you should know about this in their internet marketing articles.

Let your small business grow into a profit-building machine. You can do this if you take by heart the successful internet marketing tips. Make surveys and get paid. There are at least five quick ways to do this. You can also get more traffic to your webpage by using the right internet marketing strategies.

Email


List building is a new trend in email. A highly receptive email opt-in list can be easily built after reading our email articles that were carefully chosen to answer your needs.

Learn about ebook marketing and internet marketing services where email plays a very significant role. You can also build your own in-house list. Read on and boost your income with list building.

Blogging




Optimizing your domain names management could put your small business in the right track towards success. How to choose a domain name is critical especially to a beginner.Let our domain names articles guide you through as you start your online business. Read the tips for picking successful domain names for a new small business.

Internet


The internet has grown so big that it has permeated into almost all aspects of human life – at home, at work, or at play.Discover what are affiliate marketing, blogging, SEO, ecommerce, and many others under our internet articles. You can start your home business the easiest way by joining an affiliate program and earn additional or even unlimited income.Peep into our guide to web design websites. You can also include web hosting sites and you might find some potential providers for your own site.

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