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the website may require. Domain Name System configuration defines a name for a website and associates it to the
hosting server(s). The owner of the website is provided login credentials such as user name and password to maintain
the website. Once a website is functional, it can be accessed on the World Wide Web by the users of the Internet.
Web Hosting is a service for hosting websites.
1. Name the following:
a. A software used to access web pages.
b. The unique address that identifies a web page.
c. A web page whose content remains fixed until explicitly changed by a developer of the web page.
2. Fill in the blanks:
a. A ______________ is a program embedded within a web page.
b. A web service that uploads a website on the Internet is called __________.
Let's Summarise
The transfer of data between computers (also called nodes or terminals) via some channel is called data
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communication.
Chat provides real-time communication between two or more users. It allows connected users to exchange
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messages in a chat window. Examples of chat applications include WhatsApp, Facebook Messenger, and
Telegram.
Remote login enables users on one system to log into a remote system and use hardware and software
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available on the remote computer.
WWW is a collection of resources that can be accessed via the Internet. Each resource is identified using
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unique Uniform Resource Identifiers (URIs).
A Web page is a document that displays multimedia content such as text, images, audio, and video.
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A collection of interlinked web pages is called a website.
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Each web page on the World Wide Web is identified by a unique address known as the Uniform Resource
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Locator (URL).
An absolute URL contains the complete address, which includes the protocol, domain name, and path name
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of the resource.
A relative URL may contain the domain and the path name of the resource or just the name of the resource.
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A web browser sends a request to the server for the requested web page. At the other end, the web server
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responds with a web page in HTML format, and the browser interprets the HTML page received from the
server and displays its content in the proper format.
Google Chrome, Mozilla Firefox, and Edge (formerly Internet Explorer) are the most commonly used web
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browsers.
Add-ons and plug-ins are additional software components that extend the functionality of web browsers.
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Users can choose from a vast library of add-ons and plug-ins to tailor their browsing experience and increase
productivity. For example, plugins are required for displaying PDF files, videos, and animations.
Cookies are small pieces of data known as cookies and are also termed browser cookies and web cookies.
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Computer Networks: Internet, Website, and Web Browsers 261

