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The Internet Portal

An Internet kiosk

The Internet is a global system of interconnected computer networks, consisting of millions of private and public, academic, business, and government networks of local to global scope that are linked by copper wires, fiber-optic cables, wireless connections, and other technologies. The Internet appears to its users as a single worldwide network accessible to the general public. The protocol that makes it possible to use the millions of networks composing the Internet as if they were one network is a special type of packet switching known as IP or The Internet Protocol.

A computer that connects to the Internet can access information from a vast number of servers and other computers. An Internet connection also allows the computer to send information through the network; that information may be saved and ultimately accessed by a variety of servers and other computers. Much of the information widely accessible through use of the Internet consists of the interlinked hypertext documents and other resources of the World Wide Web (WWW). Web users typically send and receive information using a web browser. Other software for interacting with computer networks includes specialized programs for electronic mail, online chat, file transfer and file sharing.

Information is moved around the Internet by packet switching using the standardized Internet Protocol Suite (TCP/IP). The Internet Protocol Suite consists of several layers of protocols. The lowest layer (the link layer) deals with protocols that transmit data over specific technologies, such as Ethernet or Wi-Fi. The highest layer (the application layer) supports specific applications, such as e-mail and file transfer. In between are the Internet layer, which provides for transmitting packets over any conceivable technology, and the transport layer, which provides for various services such as reliable delivery of packets or real-time streaming of packets.

Selected article

A parody of unwarranted fears of the HTTP "cookie".
An HTTP cookie is a parcel of textual information sent by a server to a World Wide Web browser and then sent back by the browser each time it accesses that server. HTTP cookies are used for user authentication, user tracking, and maintaining user-specific information such as site preferences and electronic shopping carts. Cookies have been of concern for Internet privacy, since they can be used for tracking the browsing of a user. As a result, they have been subject to legislation in various countries such as the United States, as well as the European Union. Cookies have also been criticised because the identification of users they provide is not always accurate and because they can be used for network attacks. Some alternatives to cookies exist, but have their own drawbacks. On the other hand, cookies have been subject to a number of misconceptions, mostly based on the erroneous notion that they are computer programs. Most modern browsers allow users to decide whether to accept cookies, but rejection makes some Web sites unusable.

Selected picture

Map of Seattle's Wi-Fi nodes
Credit: Seattle WiFi Map Project, Maps

Metropolitan area networks, or MANs, are large computer networks usually spanning a city. They typically use wireless infrastructure or Optical fiber connections to link their sites.

News

WikiProjects

Main project: WikiProject Internet

WikiProjects

Related WikiProjects: Blogging • Websites • Early Web History • Internet culture

What are WikiProjects?

Selected biography

Sergey Brin in 2004
Sergey Brin (Russian: Сергей Михайлович Брин; born August 21, 1973) is a Russian-born American entrepreneur who co-founded Google with Larry Page. Brin currently holds the position of President of Technology at Google and has a net worth estimated at $18.5 billion as of March 9, 2007, making him the 26th richest person in the world and the 5th richest person in the United States, together with Larry Page. He is also the fourth-youngest billionaire in the world. After graduating from the University of Maryland, Brin received a graduate fellowship from the National Science Foundation, which allowed him to study for his master's degree in computer science at Stanford University. Brin received his master's degree in August 1995 ahead of schedule in the process of his Ph.D. studies. Although he is still enrolled in the Stanford doctoral program, Brin has suspended his Ph.D. studies indefinitely while he is working at Google. Brin met Larry Page while they were both graduate students at Stanford, and they authored a paper together entitled a paper entitled "The Anatomy of a Large-Scale Hypertextual Web Search Engine."

Did you know...

Village of Denshaw

Categories

Selected quote

Tim Berners-Lee
You affect the world by what you browse.

Featured content

Things you can do

Main topics

Internet topics
Articles
Application layer
ARPANET
Blog
Browsers
CERN
Collaborative software
Computer file
Computer network
Computer networking
DARPA
Data (computing)
Electronic commerce
E-mail
English on the Internet
FidoNet
File sharing
History of the Internet
HTML
HyperCard
Hyperlink
ICANN
Instant messaging
Internet access
Internet capitalization conventions
Internet censorship
Internet Control Message Protocol
Internet democracy
Internet Exchange Point
Internet Governance Forum
Internet privacy
Internet Protocol
Internet Protocols
Internet research
Internetworking
Massively multiplayer online role-playing game
Mosaic (web browser)
National Center for Supercomputing Applications
Net neutrality
Online chat
Peering
Remote access
Transmission Control Protocol
Scale-free network
Search engine
Security
Social network service
Unicode
Uniform resource locator
User agent
User Datagram Protocol
ViolaWWW
Virtual private network
VoIP
Web browser
Web operating system
Web resource
Web service
Wide area network
World Summit on the Information Society
World Wide Web
Lists
List of basic internet topics
List of Internet topics
Academic databases and search engines
List of blogging terms
List of HTTP headers
List of HTTP status codes
List of IP protocol numbers
List of journals available free online
List of IPv6 tunnel brokers
List of PHP editors
List of organizations with .INT domain names
List of social networking websites
List of newsgroups
Comp.* hierarchy
Sci.* hierarchy
List of RFCs
List of search engines
List of virtual communities
List of web directories
List of webcomics
List of websites founded before 1995

Related portals

Associated Wikimedia

Wikipedia's portals


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Portal:Internet — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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137437171 news items

New York Times

New York Times
Thu, 29 Jan 2015 09:28:16 -0800

BEIJING — Jing Yuechen, the founder of an Internet start-up here in the Chinese capital, has no interest in overthrowing the Communist Party. But these days she finds herself cursing the nation's smothering cyberpolice as she tries — and fails — to ...

Ars Technica

ABC News
Sat, 31 Jan 2015 05:18:45 -0800

But he has suggested that Internet service has become as critical to people in the United States as water, electricity or phone service and should be regulated like any other public utility. Wheeler told reporters this past week that he wants ...

Wired

Wired
Fri, 30 Jan 2015 09:32:03 -0800

The company most invested in providing Internet access to the entire planet is 'net behemoth Google. Through at least two initiatives of their own and a recent $1 billion investment in SpaceX, Google has made it clear that connecting the globe is a ...
 
The Economist
Thu, 29 Jan 2015 05:02:50 -0800

Yet with the internet becoming more crowded and traffic-management tools improving, this principle—known today as “network neutrality”—is under threat. Telecoms firms would like to create lanes of different speeds, not just to manage their networks ...
 
NPR (blog)
Fri, 30 Jan 2015 16:34:16 -0800

It would be perfectly normal to think of archery as a sport defined by accuracy. But a Danish man who says he researched archery's historic methods is arguing for speed and agility, as well: Lars Andersen has released a video in which he fires three ...
 
ZDNet
Fri, 30 Jan 2015 11:33:06 -0800

Watching the Super Bowl over the Internet in the US or Mexico will be easy, others will need to work on it. If you're living in the States, or Mexico, all you need to do is watch NBC's live stream of the game on the NBC Sports Web site. You'll also be ...

Business Insider

Business Insider
Fri, 30 Jan 2015 20:30:00 -0800

Paris (AFP) - After having used the Internet profusely for propaganda and recruitment, jihadist organisations have realised that investigators are gleaning crucial information online and are increasingly concealing their web presence, experts say ...
 
Washington Post
Fri, 30 Jan 2015 06:14:35 -0800

“The problem with the Internet is that people are on call all day long,” Elk says. “You've got to check your e-mail all the time, all the time. It becomes tough for workers to put boundaries on overtime…. I think people in the media take jobs way too ...
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