[concept] Web basic concept cognition

Web Basic concepts

In daily work and life , Contact and use the Internet every day （ That's in the title Web）, Even when the Internet is disconnected, I feel “ Nothing can be done ”……

Although the network is used every day , But their own understanding of some basic concepts of the network is poor ……

therefore , I found some English tutorials on the Internet , Simply sort out and translate , Let's understand the basic concepts related to the Internet ！

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What is? Internet？

Internet Express Internet or The Internet . The Internet is essentially a global computing resource network . One is based on TCP/IP Communication protocol network .

All computers in the world are connected together to form the Internet .

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What is? WWW？

WWW Express World Wide Web, Chinese translation for web . The technical definition of the world wide web is —— All use Hypertext Transfer Protocol on the Internet （HTTP） Resources and users of .

A broader definition comes from web inventor Tim - berners - The organization Li helped create —— World wide web consortium （W3C）： The world wide web is a world where information can be obtained through the network , It is the embodiment of human knowledge .

Simply speaking , The world wide web is a way of exchanging information between computers on the Internet , Connect them together , Form a huge collection of interactive multimedia resources .

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What is? HTTP？

HTTP Express Hypertext Transfer Protocol, Chinese translation for Hypertext transfer protocol . This is the protocol used to transfer hypertext files , Make the World Wide Web possible .

A standard network address , Such as Yahoo.com, go by the name of URL, The prefix here http Indicates its agreement .

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What is? URL？

URL representative Uniform Resource Locator, Chinese translation for Uniform resource locator . Used to specify the address on the World Wide Web .URL Is any resource connected to the network （ for example , Hypertext web page 、 Image and sound files ） Basic network identification .

URL It has the following format −

protocol://hostname/other_information

protocol： The protocol specifies how information is transmitted from a link . The protocol used for network resources is the hypertext transfer protocol mentioned above （HTTP）.

hostname： The agreement is followed by a colon 、 Two slashes , And then the domain name . The domain name is the computer where the resource is located .

other_information： Links to specific files or subdirectories can be further specified after the domain name . Directory names are separated by a single forward slash .

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What is? Website？

At the moment , When you see this article , You are on a website , The website uses HTML A collection of various pages written in markup language . There are millions of websites on the Internet .

Every page available on the website is called a web page , The home page of any website is called the home page of the website .

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What is? Web Server？

Web Server Chinese translation for Network server , Each website is located on a computer called a web server . The server is always connected to the Internet .

Every web server connected to the Internet has a unique address , By a series of 0 to 256 Between the numbers make up , And separated by periods . for example ,68.178.157.132 or 68.122.35.127.

When you register a network address （ Also known as domain name ） when , for example google.com, You must specify the web server that will host this site IP Address .

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What is? Web Browser？

Web Browser Chinese translation for Web browser , Web browser is the software installed on your computer . To access the web , You need a web browser , Such as Mozilla Firefox、Google Chrome.

On the network , When you browse the information page , Usually called Browse or surfing .

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What is? Clients and Servers

Clients Express client ,Servers Express Server side .

The server It contains e-mail 、 A computer system for information such as database information or text files . Internet resources —— Information and services —— It's all through The server To provide .

client , It refers to the application you use to obtain the information on the server , For example, the web browser mentioned above is a very important client .

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What is? ISP？

ISP Express Internet Service Provider, Chinese translation for Internet service provider . They are companies that provide services for you to connect to the Internet . For example, China Mobile 、 China Telecom 、 China Unicom, these companies to your home broadband , Then they are yours ISP.

You can buy space on the web server from any Internet service provider . This space can be used to host your personal website .

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What is? HTML？

HTML Express Hyper Text Markup Language, Chinese translation for Hypertext markup language . This is the language programmers write web pages for any website . The page you are reading at the moment is also used HTML Compiling .

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What is? Hyperlink？

Hyperlink Chinese translation for Hyperlinks . Hyperlinks, or links for short, are an optional element in electronic documents , As an access point for other electronic resources .

Usually , You click the hyperlink to access the linked resources . Familiar hyperlinks include buttons 、 Icon 、 Image maps and clickable text links .

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What is? DNS？

DNS Express Domain Name System, Chinese translation for The domain name system . When someone enters your domain name www.example.com when , The browser will request The domain name system Find the web server hosting your website IP Address .

When you register your domain name , Yours IP The address should be placed together with your domain name DNS in . Don't do this , Your domain name will not work properly .

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What is? W3C？

W3C It's the World Wide Web Consortium （World Wide Web Consortium） Abbreviation , It is an international alliance of companies involved in the Internet and the Internet .

The World Wide Web Alliance was founded by Tim, the original designer of the World Wide Web - berners - Li Yu 1994 Founded in . The aim of the organization is to set open standards , Make the network develop in one direction , Instead of being split into competing factions .W3C yes HTTP and HTML Major standards bodies .

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above , It's about the Internet （Web） Related basic concepts , What about? , After understanding these basic concepts, do you have a deeper understanding of the network in daily use ？

Enjoy the power of the Internet ！

Source of reference ：

1. Web - Basic Concepts
2. Basic Internet Concepts