Information Of The Internet

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Internet




what is the internet ? 

The Internet is a global network of billions of computers and other electronic devices.Internet, sometimes called simply "the Net," worldwide system of computer networks.  With the Internet, it's possible to access almost any information, communicate with anyone else in the world, and do much more. 
You can do all of this by connecting a computer to the Internet, which is also called going online. When someone says a computer is online, it's just another way of saying it's connected to the Internet.

Today, the Internet is a public, cooperative and self-sustaining facility accessible to hundreds of millions of people worldwide. It is used by many as the primary source of information consumption, and fueled the creation and growth of its own social ecosystem through social media and content sharing. Furthermore, e-commerce, or online shopping, has become one of the largest uses of the Internet.

of the internet 


The ARPANet, the predecessor of the Internet, was first deployed in 1969. In 1983, the ARPANet transitioned into using the TCP/IP open networking protocol suite and in 1985, the National Science Foundation Network (NSFN) designed the network to connect university computer science departments around the country.

Communications over the Internet greatly improved in 1989 when the hypertext transfer protocol (HTTP) was created, giving different computer platforms the ability to connect to the same Internet sites. In 1993, the Mosaic Web browser was created.

The Internet has continued to grow and evolve over the years of its existence. IPv6, for example, was designed to anticipate enormous future expansion in the number of available IP addresses. In a related development, the IoT is the burgeoning environment in which almost any entity or object can be provided with a unique identifier (UID) and the ability to transfer data automatically over the Internet.

Benefits of the Internet    

Benefits of the Internet include:

  • Access to endless information, knowledge and education.
  • An increased ability to communicate, connect and share.
  • The ability to work from home, collaborate and access a global workforce.
  • The chance to sell and make money as a business or individual.
  • Access to an unlimited supply of entertainment sources, such as movies, music, videos and games.
  • The ability to amplify the impact of a message, allowing charities and other organizations to reach a wider audience and increase the total amount of donations.
  • Access to the internet of things (IoT), which allows home appliances and devices to connect and be controlled from a computer or smartphone.
  • The ability to save data and easily share files with cloud storage.
  • The ability to monitor and control personal accounts instantly, such as bank accounts or credit card bills.

How the Internet works


Physically, the Internet uses a portion of the total resources of the currently existing public telecommunication networks. Technically, what distinguishes the Internet is its use of a set of protocols called Transmission Control Protocol/Internet Protocol (TCP/IP). Two recent adaptations of Internet technology, the Intranet and the extranet, also make use of the TCP/IP protocol.

The Internet can be seen as having two major components: network protocols and hardware. The protocols, such as the TCP/IP suite, present sets of rules that devices must follow in order to complete tasks. Without this common collection of rules, machines would not be able to communicate.

Hardware, the second major component of the Internet, includes everything from the computer or smartphone that is used to access the Internet to the cables that carry information from one device to another. Additional types of hardware include satellites, radios, cell phone towers, routers and servers.

The process of transferring information from one device to another relies on packet switching. Each computer connected to the Internet is assigned a unique IP address that allows the device to be recognized. When one device attempts to send a message to another device, the data is sent over the Internet in the form of manageable packets. 

A packet that has both a unique IP address and port number can be translated from alphabetic text into electronic signals by travelling through the layers of the OSI model from the top application layer to the bottom physical layer. The message will then be sent over the Internet where it is received by the Internet service provider's (ISP) router. The router will examine the destination address assigned to each packet and determine where to send it.

Uses of  the internet


In general, the Internet can be used to communicate across large or small distances, share information from any place in the world and access information or answers to almost any question in moments.

Some specific examples of how the Internet is used include:

  • Social media and content sharing;
  • E-mail and other forms of communication, such as Internet Relay Chat (IRC), Internet telephony, instant messaging, video conferencing
  • education and self-improvement through access to online degree programs, courses and workshops and
  • searching for jobs -- both the employer and applicant use the Internet to post open positions, apply for jobs and recruit individuals found on social networking sites like LinkedIn.

Other examples include:

What is the Web?


The World Wide Web—usually called the Web for short—is a collection of different websites you can access through the Internet. A website is made up of related text, images, and other resources. Websites can resemble other forms of media—like newspaper articles or television programs—or they can be interactive in a way that's unique to computers.

Difference between the World Wide Web and the Internet





difference between the Internet and the World Wide Web (WWW or the Web) is that the Internet is a global connection of networks while the Web is a collection of information that can be accessed using the Internet. In other words, the Internet is the infrastructure and the Web is a service on top.

The Web is the most widely used part of the Internet. Its outstanding feature is hypertext, a method of instant cross-referencing. In most Web sites, certain words or phrases appear in text of a different color than the rest; often this text is also underlined. When a user selects one of these words or phrases, they will be transferred to the related site or page. Buttons, images, or portions of images are also used as hyperlinks.

The Web provides access to billions of pages of information. Web browsing is done through a Web browser, the most popular of which are Google Chrome, Firefox and Internet Explorer. The appearance of a particular Web site may vary slightly depending on the browser used. Later or more updated versions of a particular browser are able to render more complex features, such as animation, virtual reality, sound and music files.


sources 

https://www.techtarget.com/whatis/definition/Internet#:~:text=The%20Internet%2C%20sometimes%20called%20simply,to%20users%20at%20other%20computers).

https://edu.gcfglobal.org/en/internetbasics/what-is-the-internet/1

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