History of Internet
The Seeds of Internet were planted in 1969, when U.S department of defense sponsored a project named ARPANET. The goal of this project was to connect computers at different universities and U.S soon the engineers, scientists, students and researches that were part of this system, began, Exchanging.
Data and messages on it, the users of this system were also able to play long distance games and socialize with people who shared those interests. ARPANET. Started with a handful of computers but it expand rapidly. In mid 80” s , another federal agency , the national science foundation , created a new , high –capacity network called NSFnet , which was more capable then ARPANET.
History of Internet
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NSFnet allowed only the Academic Research on its Network and not only any kind of private business on it so many private companies and not any kind of private business on it. So many companies built their own networks, which were later inter- connected, along with ARPANET and NSFnet to from internet.
It was the internet the linking of these two and some other networks and some private networks that was named INTERNET.
The original ARPATNET was shut down in 1990 and govt. finding for NSFnet discontinued in 1995. But the commercial Internet services came into pictures which are still running in internet.
How Does Internet Works?
In internet, most computers are not connected directly to the internet. Rather they are connected to smaller networks, which in turns are connected through Gateways to the Internet Backbone.
History of Internet
Lets us now see how Internet functions:
I. At the source computer the messages or the file document to be send to be another computer is firstly divided in two very small parts called packets generally contains 1500 characters.
II. Each packet given a number serial wise e.g. 1. 2. 3…
III. All these packets are then send to the address of destination computers.
IV. The destination computer receives the packets in random manner if a packets is garbled or lost, in is demanded again.
V. The packets are resembled in the order of their `number and the original messages/file/ `documents is obtained.
History of Internet
Note on Functioning of Internet
The reason that the internet works at all is that every computer connected to it user the same set of rules for communication do you know that set of rules is called protocol.
The Communication Protocol used by internet is TCP/ IP. The TCP/. Transmission control protocol part is responsible for dividend the file / messages into packets at the destination or recipient computer.
This part is responsible for handling the address of the destination computer so that each packet is routed to its sent to proper denotations. At this point, shall I ask you interesting questions? Ok. Let me know – what is the full form of TCP/IP? Well the clues are nearby.
History of Internet
How Big is the Internet?
Although it is impossible to know exactly, yet there are several benchmark indicators that help estimate the size of the internet.
Simplest way is to determine how many people use the internet. As per companies that measure internet. As per companies that measure internet usages, just show over the a billion people used the internet in 2008. Of these about 500 million use the internet at least once a week.
Another measure is number of websites. These are thought to be some 155 million websites on the internet, but this number increases widely from month to as new websites keep getting created.
Who Governs the Internet?
Internet is not governed by any particular body. It is coordinate by many volunteer organizations. There is no single authoritative organization. The short answer is that the Internet is basically not governed. … There is an organization called the Internet Corporation for Assigned Names and Numbers or ICANN that supervises this process. The creation of the corporation was supported by the U.S. Government, which maintains limited control over the organization.
Write a Short Article on Uses of Internet
2. Research.
3. Downloading files.
4. Discussion groups. These include public groups, such as those on Usenet, and the private mailing lists that ListServ manages.
5. Interactive games. Who hasn’t tried to hunt down at least one game?
6. Education and self-improvement. On-line courses and workshops have found yet another outlet.
7. Friendship and dating. You may be surprised at the number of electronic “personals” that you can find on the World Wide Web.
8. Electronic Newspapers and Magazines. This category includes late-breaking news, weather, and sports. We’re likely to see this category leap to the top five in the next several years.
9. Job-hunting. Classified ads are in abundance, but most are for technical positions.
10. Shopping. It’s difficult to believe that this category even ranks. It appears that “cybermalls” are more for curious than serious shoppers.
History of Internet
Gal Jerman
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