History of World Wide Web
History of World Wide Web :-
- The World Wide Web was invented by Tim Berners-Lee in 1989, in 1995 the first connection was established over what is today known as the Internet.
- By the end of 1990, the first Web page was served. In April 1993, the World Wide Web technology was available for anyone to use on a royalty-free basis.
- Since that time, the Web has changed the world. It has perhaps become the most powerful communication medium the world has ever known.
- A global Web of computers known as the Internet, allows individuals to communicate with each other often called the World Wide Web. The Internet provides a quick and easy exchange of information and is recognized as the central tool in this Information Age.
World Wide Web (WWW) Definition :-
- The World Wide Web (WWW) is an internet based service, which uses common set of rules known as Protocols, to distribute documents across the Internet in a standard way.
- The World Wide Web, or ‘Web’ is a part of the Internet. The Web is viewed through web browser softwares such as Google Chrome, Internet Explorer, Mozilla Firefox etc. Using browsers one can access the digital libraries containing innumerable articles, journals, e-books, news, tutorials stored in the form of web pages on computers around the world called Web Servers. Today thousands of web pages/websites are added to the WWW every hour.
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Important Point :-
❖ The World Wide Web (WWW) is an internet based service, which uses common set of rules known as Protocols, to distribute documents across the Internet in a standard way.
❖ The Internet is a massive network of networks. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet.
❖ Search engines are the programs which are needed to extract the information from the internet.
❖ A search engine works in the following order: Web crawling, Indexing, Searching
❖ A web server commonly known as HTTP server or application server is a program that serves content using the HTTP protocol.
❖ A Web page can contain an article, or a single paragraph, photographs, and it is usually a combination of text and graphics.
❖ A browser is a software that lets you view web pages, graphics and the online content.
❖ The Secure Sockets Layer (SSL) is a protocol, uses Hypertext Transfer Protocol (HTTP) and Transport Control Protocol (TCP) for managing the security of a message transmission on the Internet.
❖ A blog is a web site like any other, but it is intended to offer personal opinions of people on their hobbies, interests, commentaries, photo blogs, etc.
❖ URL’s, or ‘uniform resource locators’, are the web browser addresses of internet pages and files. It is the way to locate a file or document on the Internet.
There are two types of URL: Absolute and Relative.
A protocol is a set of rules that governs the communication between computers on a network.
Basic internet Computer Questions and Answers
Q: What is the internet?
(a) a single network
(b) a vast collection of different networks
(c) interconnection of local area networks
(d) none of the mentioned
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Q: What is an ‘intranet’?
(a) Internal internet is used to transfer information internally
(b) Internal internet is used to transfer information to the outside company.
(c) Internal network designed to serve the internal formational needs of a single organization.
(d) Internal network designed to transfer information between two organizations
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Q: __ servers store and manage files for network users.
(a) Authentication
(b) Main
(c) Web
(d) File
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Q: ISP stands for
(a) Internet Security Protocol
(b) Intelligent Service Package
(c) Internet Service Provider
(d) Intelligent Service Provider
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Q: Which one of the following protocols is not used on the internet?
(a) HTTP
(b) DHCP
(c) DNS
(d) none of the mentioned
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Q: What does the internet term “thread” refer to?
(a) A series of linked messages
(b) A self-replicating virus
(c) A category of browser
(d) A common fault in display devices
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Q: What’s the name of the program or service that lets you view e-mail messages ?
(a) Web browser
(b) E-mail clients
(c) E-mail id
(d) Internet
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Q: When sending an e-mail, the ______ line describes the contents of the message?
(a) to
(b) subject
(c) contents
(d) CC
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Q: http stands for
(a) hyper text transfer protocol
(b) hypertet transmission protocol
(c) high transfer transport protocol
(d) hyper transfer text protocol
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Q: Internet access by transmitting digital data over the wires of a local telephone network is provided by
(a) leased line
(b) digital subscriber line
(c) digital signal line
(d) none of the mentioned
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Q: Sending an e-mail is similar to __
(a) picturing an event
(b) narrating a story
(c) writing a letter
(d) creating a drawing
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Q: What does SMTP in an SMTP server stand for ?
(a) Simple Mail Transfer Protocol
(b) Serve Message Text Process
(c) Short Messaging Text Process
(d) Short Messaging Transfer Protocol
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