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History of the Internet

The whole idea of ​​the Internet arose during the Cold War. The communication that was during the Cold War could be knocked out by eg nuclear, it meant that the armed forces began to rethink the system that existed. The communication that was available was the telephone line and radio. Therefore tried Soviet Union and the United States new efficient methods to communicate with. Soviet Union began with the idea of ​​sending up the first satellite "Sputnik" in space. But then it was not the US so far behind in development. In the beginning av1960 Century Pentagon had found a solution to the problem, with an invulnerable network, it was the beginning of what we call today internet.År 1969, the ARPANET finished. The idea of ​​the ARPANET was not the enemy would not be able to knock out the network. But the principle itself was fairly simple with it all, they used a server computer so that everyone else could hold a communication with each other. The old näverket that existed before was not so good, that the enemy could knock out the network that existed and then lost all their network funktion.Men with the new network as fanss was better than the first, if a computer was knocked out so could all the others who were connected to the server is still the Hamburg touch with each other.

In order to allow the whole idea of ​​the internet came Paul Baran at that one had to walk away from the regular telephone line so that data information could not pass on in a different way than the telephone network. With a telephone network, it is so that information goes between two points, but Baran tried to do with the internet so that the information could go to more than two points. With Baran's proposal was that anyone could be online and take advantage of all information. Multiple users can take addition, the top part of the same line and the information that was then. But then tried Baran sell the idea to a phone company but they do not jumped on the idea Baran had. Why do not companies jumped at the proposal Baran had an historic event for the internet. But then where research authority ARPA who bought Baran's idea of ​​the internet.

1969 koppade the four universities together and then was the first network running. At the beginning of the 70s got the ARPANET joined by many other different computer networks, Fidonet, Bitnet, Janet and usenet. Some still exist today, with which most are now further integrated into the Internet. At that time used but from the BBS. BBS stands for Bulletin Board System, translated in Swedish, it will be something like "bulletin board". A BBS is a system for exchanging messages and news, etc., it worked like that it had a modem or a terminal program, which represented about today's browsers. Since phoned up some phone numbers and logged in as a guest or with a special password, and then you could read and condition messages. It was quite similar to an FTP or telnet that we have today.

Around 1960, American Ted Nelson on HTML "Hypertext Markup Language". Engineers realized with HTML was that linked the various document for their content. If I make a website using HTML can I make links to other websites. If I click on the link I had done so I will look at one anna website. That's where HTML does, creating websites on the Internet with HTML, So you could say that HTML is the day the WWW. Eventually needed HTML also standardized. The IETF developed a standard and in November around 1995 fasttog man named HTML 2.0. But the next extension was made by W3C and then became the HTML 3.2 standard in January 1997. But after a few months came the W3C HTML 4.0. HTML is the foundation for what we now call the World Wide Web (WWW). Then you can figure out that the WWW has been around since 1960 and is the part we see today as websites.

URL stands for "Uniform Resource Locator". A URL is constructed in such a way "http: //www.domännamn.toppdomän/mapp/filnamn/instruktion"
Http: // abger what kind of protocol there is the question of when it comes to internet browsing. In order to send files or tank home porgram, music or images requires common methods. HTTP (Hypertext Transfer Protocol) as the name says, it is to be able to refuel the home of filler, etc. With the HTML and HTTP protocol interprets all computers the same infromation from the same website.

On the internet there are a lot of different things about such E-Mail, FTP, and Telnet, but now I'll tell you a little more about E-Mail. E-mail (electronic mail), who was first at 70 Century so the technology is well spent. In the days sammhälle is email Integral sprag in the Internet, our ISPs have done so that you can check their email via the internet so you do not send regular letters between each other. Hotmail is a good example of (elecronic mail). But you can send HTML-based email between each other too, so you avoid using the WWW.

FTP and Telnet is probably older than the E-Mail, for using the FTP already at ARPANETS birth. But today's ftp innbyggt in most browsers we use in today's sammhälle. With an FTP provides access to send up side pages to a server, it is the same as in today's web space.

FTP stands for File Transfer Protocol (), and is the method of sending files through two computers. To refuel files from an ftp must have an FTP program such as Flash FXP or similar. An FTP server is aöötså a server that is located on a computer that everyone else can go online and fill up files from the computer. When connecting to an FTP you need to log in to an account to access the server computer that has all the files. Whoever has the ftp server then creates different accounts to eg their friends or others so that they can have access to the server's various files that he has handed out.

Now I'll tell you a little about protocol. Well what is now a protocol? A protocol is a method or an information exchange. Even then, there are a lot of different protocols on the internet, but because there are sp Monga ways to share infromation with. But when people are talking to varnadra so it is important that we speak Swedish, in this context as Swedish is a kind of protocol. That said, there are a lot of different protocols on the internet that you might have trouble making their eg TCP / IP, HTTP, SMTP, POP and a whole lot more. They fya protocols as I mentioned just now might not be the most important thing but the most common that you see. But those protocols are quite important to know a little more about.

TCP / IP stands for "Transmission Control Protocol / Internet Protocol" and is very important in the Internet. TCP / IP is important if you want to browse the internet or check your email, etc. TCP / IP is the most widely used communication protocol on the Internet, TCP / IP is also used in other networks.

Now I'll talk more about DNS. A DNS you use when you connect to the Internet via a modem. Once you are connected to the internet to get an IP address and a domain name. But what now stands DNS for? Well DNS stands for "Domain Name System" that allows each IP numbers a domain name. But then there are special servers that provide every IP numbers a domain name, but it is not only to provide an IP address to a domain name, it must be right domain name to the correct IP numbers.

Smtp and pop mail is what the name says. Smtp means "Simple Mail Transfer Protocol" protocol that handles the mail system on the Internet. There are more e-mail protocols such as pop "Post Office Protocol". Your ISP unlikeliness an SMTP and a pop server, which has a special IP address that you must have to be able to access your email. But you do not need to use their SMTP or pop server, you can use eg Hotmail. On Hormail you do not enter a specific IP address, but you need to register on their website and so you can read your email messages.

Cookies are a pretty smart thing available on some websites. Cookies are small text files of no more than 4KB, who take it on your computer. A cookie does so that if you have been on one side sooner that has cookies read the filern at 4KB, and the way the server can learn from the example which side you have touched on before, how many times you have visited the site and what you have done on the website you are on. But cookies are not dangerous, it's just pure .txt files that are downloaded on your computer in a special "cookie mappp," but if you're looking at a page and going shopping so it will come utt "wants you accepetera cookies "that's what you get mad at. But otherwise it is not dangerous with cookies. But then the question is why cookies have been given a bad reputation. Well it is to abuse the spirit of cookies to be able to read what pages other people have been on etc. If you would now have advertising spam to your email, it's because someone has used the idea of ​​cookies.

Speaking of spamming, there are a lot of lot of folks about using sog of cloaked to hide their real IP address so they will not be caught for spamming as fast as if they would have their real IP address. But there are some ways to check up on spammers' IP addresses, and now I'll give you an example of this. To track a spammer's pretty easy if you can and have been doing it for a while. It has a page that records of known spammers and check their IP address but a couple of different tools. By tracking a spammer can sign his or her to the police or the like. An IP address is the computer technology personal number, and so it is good simply to bust spammers.

Banners started to become increasingly popular in the middle of 1998. But what is a banner? Well, the banner is often an animated image, or similar syligt on a website. You can also make your own banner in a paint program or similar, with the banner, you can link to your own website. There are a great way to use banners on such as banner exchanges, which are the most banned ministers in size 81 * 33rd With that kind of banner you make a banner swapping with others who have a website and have many visitors a day.

The Internet of today has a big role in today's sammhälle. Most who sits on the Internet today are mainly youths sitting on a "community", a page that everyone can gather and send messages to the varanda. But can also read the daily newspaper on the Internet, etc. The Internet is a good thing if you want infromation when to eg make a school work, etc., and above all, there is mostly on the Internet today.

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