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Introduction to Internet

Introduction to Internet. internet.

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Introduction to Internet

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  1. Introduction to Internet

  2. internet • The Internet is a global system of interconnected computer networks that use the standardInternet protocol suite (often called TCP/IP, although not all applications use TCP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support email. The origins of the Internet reach back to research of the 1960s,

  3. Web page • A web page or webpage is a document or information resource that is suitable for theWorld Wide Web and can be accessed through a web browser and displayed on a monitorormobile device. This information is usually in HTML or XHTML format, and may providenavigation to other web pages via hypertextlinks. Web pages frequently subsume other resources such as style sheets, scripts and images into their final presentation. • Web pages may be retrieved from a local computer or from a remote web server. The web server may restrict access only to a private network, e.g. a corporate intranet, or it may publish pages on the World Wide Web. Web pages are requested and served from webservers using Hypertext Transfer Protocol (HTTP).

  4. Web Browser • A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. An information resource is identified by a Uniform Resource Identifier (URI) and may be aweb page, image, video, or other piece of content.[1]Hyperlinks present in resources enable users easily to navigate their browsers to related resources. A web browser can also be defined as an application softwareor program designed to enable users to access, retrieve and view documents and other resources on the Internet. • Although browsers are primarily intended to use the World Wide Web, they can also be used to access information provided by web serversinprivate networks or files in file systems. The major web browsers areFirefox, Google Chrome, Internet Explorer, Opera, and Safari.[2]

  5. Web Server • Web server can refer to either the hardware (the computer) or the software (the computer application) that helps to deliver Web content that can be accessed through the Internet.[1] • The most common use of web servers is to host websites, but there are other uses such as gaming, data storage or running enterprise applications.

  6. What is URL • Stands for Universal Resource Locator. A URL is a standardized address name layout for resources such as document and images on the internet. This can refer to a webpages or another resources. A URL starts with the protocol, then the domain name and lastly, the resource location. • http://www.microsoft/directory/index.html Resource Location Protocol Domain Name

  7. Protocol • Is a set of rules governing communication between electronic devices such as computers. The protocol tells how data should be formatted and whether there should be data compression when communicating with other computer.

  8. Two commonly used protocol • FTP (File transfer Protocol) A protocol used for uploading and downloading files to and from web server. • HTTP (Hypertext Transfer Protocol) A protocol which is the primary method used to publish and receive HTML pages.

  9. Domain Name • A domain name is an identification string that defines a realm of administrative autonomy, authority, or control on the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS). Domain names are used in various networking contexts and application-specific naming and addressing purposes. In general, a domain name represents an Internet Protocol (IP) resource, such as a personal computer used to access the Internet, a server computer hosting a web site, or the web site itself or any other service communicated via the Internet.

  10. Resource Location • Is the path or directory name, giving a file name and its unique location on the web server.

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