Learning goals if you succeed in this chapter, you can understand the history and development of network technologies; Identify the most important terms connected to network technologies; Understand the meaning of broadband and technology; And describe the organizational network noting that there is an update version of this book at https: // Openxtbooksite if you don't have to use this problem for a course, you may want to verify it in the first days of the first days. Fairy to perform, however, calculations, data storage and automation of commercial processes have become clear that many telecommunications functions can be integrated into the computer in the 1980s. The organization starts their telecommunications and previous separate information and previous information and your previous information and your information: the parts of the system in information technology or IT, the ability to be able to This and above all, facilitating communication between individuals and groups. It has been an important factor for computer growth in recent decades.
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The network actually started in the 1960s with the introduction of the Internet, as we see below, while the Internet and the web are developed even more, the company's networks are also in the local network form and calculate the calculation. Customer server math in the 1990s that the Internet became too big and impregnated with the current internet technology of all areas of the organizational areas, a global phenomenon is the Internet. They have been created for this communication to revolutionize a short Internet history from the beginning: Arpanet history of the Internet and the network in general in the late 1950s in others to determine what benefits in me will win. Being surprised by Litaire or intelligence in 1957, the Soviet Union surprised the United States when starting Sputnik and took us to the time of space, as a reaction to Spoutnik, the US government had an advanced research project. The Agency (ARPA), who has the original role, is to ensure that the United States is not surprised when they are ARPA now, now just a public relationship: many computers cannot say in 1968, they Has sent a request to the communication technology tools that some domestic computers can integrate into a single network reacting twelve companies to the application and a company called Bolt, Beranek and Newman (BBN (BBN) If the contract won, they started to work immediately and they can get the work in another year at the end of September In 1969, Arpanet was activated. The first four buttons in the next decade were in UCLA, Stanford and Internet of Utahhe and World Webover University, Arpanet during this time, another camera, popularity and other camera networks also exist if they exist if There are a number of organizations that they associate with a number of networks, which leads to a problem: networks cannot create all networks used by their own language or protocol owners (see the side bar for Definition of the protocol) to send information to both directions of this problem is resolved through the invention of the protocol protocol for the transmission / internet protocol (TCP / IP). Although your network has acknowledged TCP / IP, you can communicate with all other TCP / IP / IP / IP / IP networks and networks can contact each other the first concept of the Internet, only Connecting to "the network of others means: The communication of LessingnNetNetworking vocabulary is very technical concepts based on simple principles based on the internet package: Basic data units are transmitted on The internet when the device must send a message to another device. Package. Through the necessary packages, possibly: an ERK device, connecting a number of devices and packages according to its destination in the connected router: A device that receives and analyzes the package; in other cases , it is sent directly to its goals: DNS means "domain name system", acting as an internet folder if required to access a TH Equipment has a domain name. The DNS server is interviewed, the IP address of the device is required, allowing the routing protocol: In the computer network, the protocol is the two (or more) rules for two directions in the world. of the world network to exchange 24 hours. Using the Internet for these starts is not easy to access on the server. In this device, it all changed in 1990 when Tim Berners-Lee presented the web project worldwide, thanks to the use of the linked text (super text), is a simple way to Search on the Internet, won. Even more steam with the mosaic browser version in 1993, allowing the combination of graphics and text to present information and navigation online. The mosaic browser has increased Growth of internet use, 1995-2012 (click to expand) World data Internet Statazcom The Dot-Com Bubblein in the 1980s and early 1990s, the Internet was managed by the National Science Fund (NSF). NSF has restricted trade companies on the Internet, which means that no one can buy or sell anything online in 1991, NSF transferred its role to three other government control organizations. The United States directly on the Internet and mainly opened trade like Dotcom Bulle, a crazy investment in new points that took place in the late 1990s, increasing the market tactical market with new vertices every day. This investment bubble is motivated by the fact that investors are motivated that the unfortunate online transaction will change everything, many new companies have bad commercial models and have very little to display. Marketing people there in the investments there, bubble explosions and many new companies have been chosen by many companies, especially Amazon, still increasing (starting in 1994) And eBay (1995) after separating the bubble from the points of the com point is a new reality, it has become clear: Success online, e -commerce must develop real commercial and evidence models. Minh that it can exist financially with this new technology, the first years of the world network and the creation of a website that requires a certain group of knowledge: they must know how to configure.
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The server on the World Wide Web, how to get a domain name, Wi The E Man in the HTML website and how to solve some technical issues when they come to a person who has worked for the grave. t website. That they do not have the necessary skills to become a website administrator that I always want to say without having to understand HTML technologies or web servers in the early 2000s, the application web 20 started a bubble. Two optimism and investment. It seems that everyone has their own blog or website to share photos here that companies have reached the age of this period: MySpace (2003), Photobucket (2003), Flickr (2004), Facebook (2004) , WordPress (2005), Tumblr. Internet, when the personnel computers are created, it is a great small toy for technology enthusiasts and armchairs as soon as the table is invented. Application of murder for human resources: People have bought PC to be able to perform the spreadsheet However, as soon as the email was invented, it began to stimulate the internet demand, which is not what the developers have in the mind, but it turns out that everyone has connected to people as a killer. . For the Internet wife today. For social networks, especially Facebook, many people are not convinced to feel that they do not have an online presence at the same time, the terms "Internet" and "World Wide Web" or even "web" "Used instead, but they are not really the same! The Internet is a connected network of many services via the Internet: E -sil, language and video, file transmission and in the world network. World Wide Web is simply an internet element. It includes web servers with HTML pages advised on devices with web browsers. It is really the case that the growth has simplified most of the growth in the first days of the Internet. Most access rights are most access. Create a modem (short for the "transformer decoder") in the same phone line connected to the arrival phone line and the computer to set the connection to the network with the speed measured by the sections Each second (BPS), speed from 1,200 bits / s to 56,000 BPS over the years on the Internet through these modems, they are called access, it is very sad because it links the phone line while it The web becomes more interactive and the shame of the phone line is also ashamed. Use because users want to transfer more and more data than the reference point, download a typical 35 MB song will take 24 minutes at a speed of 1200 BPS and 2 minutes at 28,800 BPSA. The broadband connection is determined at a speed of at least 256,000 bits / s, although most of the connections are much faster, measured in millions of bits per second (megabit or Mbit / s) or even goods. The billion (gigabit) can be found that we are better for the speed of the cable compared to other types and the DSL may vary in different periods of the day or week, depending on the amount of data in the zones. Other areas where cable and telephone companies do not allow access, domestic internet can be made by satellite, within 3 Mbit / SYS 30 Mbit / s with an average of 10 Mbit / s to the average at home. And you need a risk, less than a second.
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Telecommunications companies can offer other options. Like T1 and T3 series If a community has access to broadband, it can interact more online and increase the use of digital tools rather than global access to the high sea that is considered by the United Nations as a mechanical right. The human version, as stated in the 2011 explanation: "In general, technologies, change the way we live") When the broadband challenge "published in the summit in Geneva" is very important Trong is no one from new global knowledge companies that we come to exclude that we can access the Internet. Starbucks provides wireless "access points" for our laptop or iPad. These wireless technologies make Internet access more practical and production devices such as tablets and laptops are much more functional. Waves can be absorbed by devices with wireless converters within a radius of about 65 feet. Over the past years, some Wi-Fi specifications have been developed from 80211B (1999), followed by the specification of 80211G in 2003 and 80211N 2009. It became. One of the main places that Wi-Fi users are used by domestic users who buy Wi-Fi routers, connect to their broadband connections and then connect some devices through the network. Wi-Fimobile is the following mobile phone that wants to access United states on the Internet has become a smartphone that smartphones and other internet mobile devices can access data. When I travel abroad? Because mobile phone technologies have been developed, suppliers in different countries have chosen different communication standards for their mobile network in the US. CDMA (used by another administrative), each standard has its advantages and disadvantages, but the main thing is that the use of a standard cannot simply change to the United States. Uu. It is not big if it goes to other countries, you will find that most of you use the GSM network. The main exception is Japan, standardized in CDMA. Maybe mobile phones use a network to change another type of network change by changing the SIM card to control access to the mobile network, this is not the case if you travel abroad, good More and better to consult mobile suppliers to determine the best way to access mobile networks