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Aayush arora

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INTERNET

INTERNET

Published in: Technology
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  • 1. The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (often called TCP/IP, although not all applications use TCP) to serve billions of usersworldwide. It is a network of networks that consists of millions of private, public, academic, business, andgovernment networks, of local to global scope, that are linked by a broad array of electronic, wireless andoptical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support email.
  • 2. The history of the Internet began with the development of computers in the 1950s. This began with point-to-point communication between mainframe computers and terminals, expanded to point-to-point connections between computers and then early research into packet switching. Packet switched networks such as ARPANET, Mark I at NPL in the UK, CYCLADES, Merit Network, Tymnet, and Telenet, were developed in the late 1960s and early 1970s using a variety of protocols. The ARPANET in particular led to the development of protocols for internetworking, where multiple separate networks could be joined together into a network of networks.
  • 3.  Surfing & searching the internet Email E-learning E-commerce Entertainment
  • 4. Surfing means moving one website to another using web browser. Searching means exploring various websites & web page on the internet for desired information in other words finding information using various websites .
  • 5. Electronic mail, it is also known as email or e-mail, is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks. Some early email systems required that the author and the recipient both be online at the same time, in common with instant messaging. Todays email systems are based on a store-and- forward model. Email servers accept, forward, deliver and store messages. Neither the users nor their computers are required to be online simultaneously; they need connect only briefly, typically to an email server, for as long as it takes to send or receive messages.
  • 6. E-learning includes all forms of electronicallysupported learning and teaching, and morerecently Edtech.The information and communication systems,whether networked learning or not, serve asspecific media to implement the learning process.
  • 7. Electronic commerce, commonly known as e- commerce or e-comm, is the buying and selling of products or services over electronic systems such as the Internet and other computer networks. Electronic commerce draws on such technologies as electronic funds transfer, supply chain management, Internet marketing, online transaction processing, electronic data interchange(EDI), inventory management systems, and automated data collection systems.
  • 8. Entertainment is an action, event or activitythat aims to entertain, amuse and interestan audience ("audience" can consist of oneperson.
  • 9. Internet Service Providers connect customers (thought of at the "bottom" of the routing hierarchy) to customers of other ISPs. At the "top" of the routing hierarchy are ten or so Tier 1 networks, large telecommunication companies which exchange traffic directly "across" to all other Tier 1 networks via unpaid peering agreements. Tier 2 networks buy Internet transit from other ISP to reach at least some parties on the global Internet, though they may also engage in unpaid peering (especially for local partners of a similar size). ISPs can use a single "upstream" provider for connectivity, or use multihoming to provide protection from problems with individual links. Internet exchange points create physical connections between multiple ISPs, often hosted in buildings owned by independent third parties.[citation needed]
  • 10. DIAL UP CONNECTIONWIRELESS NETWORKBROADBAND CONNECTION
  • 11. Dial-up Internet access is a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a dialed connection to an Internet service provider (ISP) via telephone lines.
  • 12. Wireless network refers to any type of computer network that is notconnected by cables of any kind. It is a method by whichhomes, telecommunications networks and enterprise (business)installations avoid the costly process of introducing cables into abuilding, or as a connection between various equipmentlocations. Wireless telecommunications networks are generallyimplemented and administered using a transmission system called radiowaves. This implementation takes place at the physical level (layer) of theOSI model network structure.
  • 13. The term broadband refers to a telecommunicationssignal or device of greater bandwidth, in some sense,than another standard or usual signal or device (andthe broader the band, the greater the capacity fortraffic).
  • 14. The Internet is a globally distributed network comprising many voluntarilyinterconnected autonomous networks. It operates without a central governingbody. However, to maintain interoperability, all technical and policy aspectsof the underlying core infrastructure and the principal name spaces areadministered by the Internet Corporation for Assigned Names andNumbers (ICANN), headquartered in Marina del Rey, California. ICANN isthe authority that coordinates the assignment of unique identifiers for use onthe Internet, including domain names, Internet Protocol (IP) addresses,application port numbers in the transport protocols, and many otherparameters.
  • 15. A social networking service is an online service, platform, or site that focuses on facilitating the building of social networks of social relations among people who, for example, share interests, activities, backgrounds, or real-life connections. A social network service consists of a representation of each user (often a profile), his/her social links, and a variety of additional services.

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