Skip to main content

Internet simply explained

Internet simply explained


 The Internet is a worldwide network of several million computers. The computers that essentially provide services to other systems are referred to as servers. The servers are connected via Internet service providers (ISP), who manage (host) the information as Internet pages (websites, blogs, shops, email accounts etc.) and make them available to visitors (users). You can use the Internet to query information from all of these computers, send electronic messages to recipients around the world, shop around the clock, book trips, and much more.

Internet history

The Internet (from the English internetwork, composed of the prefix inter and network 'network' or 'net' for short) is a worldwide network of computers. It combines Internet services such as WWW, email, Telnet, Usenet and FTP. Any computer can connect to any other computer, provided you know its address. Colloquially, the Internet is also used instead of the Internet. The data exchange between the computers connected via the Internet generally takes place via the Internet service provider, abbreviated ISP, which I will deal with later. The forerunners of the Internet, such as B. Usenet, were developed in the United States and used primarily for military purposes and at universities whose data centers were interconnected. It was only in 1990 that the Internet was made available worldwide for commercial purposes. In-house networks were also created in Germany, which were called intranets and which still exist today. The term “WEB” is the short form for “World Wide Web” (WWW), worldwide data network. This originally meant the part of the Internet that is graphically structured and requires a so-called web browser such as Microsoft's Internet Explorer, Google Chrome, Mozilla Firefox and some more to operate. Today the terms "web" and "internet" are mostly used interchangeably.

Digital revolution

Internet contributed to a modernization push in many economic sectors as well as the emergence of new economic sectors and has led to a fundamental change in communication behavior and media use in the professional and private spheres. One also speaks of the digital revolution. The first rules of conduct (netiquette) were formed and thus the first signs of a web culture of their own, which are particularly important in Web 2.0. Web 2.0 refers to the interactivity of users (so-called interactive web) on social media platforms such as Facebook, Twitter, Google+, YouTube, Pinterest and many others, and the integration of audio and video into websites.


How can you use the internet?


 In order to use the Internet, you need to clarify the following questions: How fast should your Internet connection work? What do you need for an internet connection (analog, ISDN or DSL)? How do you want to connect to the internet? (Internet by call, volume or time tariff or rather by flat rate?) Which internet provider offers good service and covers your wishes at an acceptable price? Which web browser do you want to work with? Why should you use the internet?

Let us examine the individual points in detail in a small series of articles on the basics of the Internet. Today we cover the first two points:

1. How fast should your internet connection work?

The achievable data rate depends primarily on the location. Anyone who lives near the DSL exchange is lucky: the data is the quickest to flit. Kabel Deutschland offers the highest data rates in the test. This is due to technical reasons. Internet access via TV cable works faster than DSL connection via telephone wire. The test customers at Kabel Deutschland achieved data rates of 10,000 to 26,000 kilobits per second. That is enough for a quick download of entire video films. Kabel Deutschland had announced up to 32,000 kilobits per second.

 2. What do you need for an Internet connection (analogue, ISDN, DSL or TV cable)?

 There are several ways you can be connected to the Internet. This is primarily based on the conditions at your place of residence or work and your needs. You can use the Internet via your analog telephone network, your ISDN system, a DSL modem, your television cable, a satellite, and your mobile device using UMTS

In connection with an analog landline connection or ISDN, the internet can be used and telephoned at the same time via the same subscriber line using a narrowband modem, whereby the internet connection is quite slow and may require a lot of patience. Internet pages take much longer to be fully displayed than with a DSL or cable connection. While you can only reach 56 or 64 kbit / s speed with an analog or ISDN modem, you can “roar” through the Internet with a DSL or cable internet connection with 1000 to 50,000 kbit / s. DSL differs from an Internet connection via an analog telephone connection (POTS) or ISDN in that a much larger frequency range is used for data transmission, which enables a much higher data rate. DSL is the abbreviation for Digital Subscriber Line. The frequency range used for fixed network telephony is left out with a splitter, which means that DSL can be used in parallel with normal telephones. Fax, analog telephone or ISDN are therefore also available during DSL operation. The TV cable has long been more than just receiving radio and television programs. In many German households, the cable network has been modernized by replacing the conventional cable socket with two plugs with a multimedia socket with three plugs. This turns the cable connection into a universal connection for telephone, television, radio and high-speed Internet. The TV cable even provides broadband internet, which can be used to achieve speeds twice as high as with a DSL connection. You surf the Internet at top speed and downloads, music streaming, video access and webcam chats are no problem.


For surfing via the cable connection, a cable modem to which your computer is connected is usually required in addition to the modernized, back-channel-compatible TV cable. If you operate several computers, the modem should be WLAN-capable or a WLAN router should be connected in between. Of course, this is possible with all Internet access. Internet via satellite is a satellite-based broadband Internet access, the use of which is possible through the use of a geostationary satellite in the entire broadcast range of the satellite, e.g. B. Europe-wide via Eutelsat and SES Astra. This means you can use broadband Internet even if DSL is not yet available in your area. UMTS (Universal Mobile Telecommunications System) includes expanded multimedia services as well as satellite and earth-based transmitters. Internet access is offered via UMTS, among other things, but is very expensive. That's why I think it's great that many German train stations, petrol stations, internet cafes, hotels and restaurants are now equipped with WiFi hotspots, which you can usually use for a fee, but sometimes even free of charge. In Berlin and other major German cities, these WiFi hotspots are also available in places that are particularly popular with tourists.

Comments

Post a Comment

Popular posts from this blog

Coronavirus Begins To Disturb Chinese Technological Production

Coronavirus Begins To Disturb Chinese Technological Production The coronavirus outbreak in China is beginning to affect the global technology industry, with noticeable declines in shipments of devices such as graphics cards and mobile phones. Asus, Foxconn and Gigabyte  have said that first-quarter shipments of motherboards and graphics cards have fallen more than expected, British media outlet Computing has reported . This decline is explained by the fact that Chinese people avoid public places and shops, while courier delivery and other services have been affected. Meanwhile, the smartphone market is expected to be affected in two ways: first, with excess inventory in China caused by the sudden and unexpected decline in sales, and second, the halt of new models due to the pause. in supply chains, caused by factory closings, ordered by the Chinese government when the epidemic began. Huawei, in particular, is likely to be hit hard as it fell back on its home market due t...
Post a Comment
Read more

Big Data

Data collection and interpretation are very important to the seed breeding program. Without data and its interpretation, progress is impossible. Technology will create the ability to collect new data, and the effective innovation of a successful company will result. In addition, as technology evolves, the cost of technology decreases. For example, the cost per gigabyte of storage in 1980 was $ 500,000. Today the price is less than $ 0.03. This is a huge expense for the amount of data collected. In pig breeds, there is a wave of data collection. Basic data collection includes weight, number of births, birth year, age group, wean to service time, door count, and more. These features do not require sophisticated technology. Ultrasonic balance, depth, and intramuscular oil are being collected because of advances in ultrasound technology. Improvements in body and food quality have emerged over the years, including tools to improve pH, maripling, color, and digestion. All of these factors ar...
Post a Comment
Read more