Internet offers various services, such as e - mail, chatting, instant messaging services, forums, research databases, discussion groups, Telnet, FTP, and many more.
WWW is one of the services available on the Internet.
The Internet works independently of the World Wide Web.
World Wide Web is a part of the Internet.
The Internet uses common communication standards and interfaces to provide the physical backbone for many intersting applications.
WWW is a hyperlinked and continous network of documents. It is an information - sharing model built on the Internet.
The Internet is administeted by the internet Protocol (IP).
WWW is managed by Hypertext Transfer Protocol (HTTP).
BASIC INTERNET TERMINOLOGY
Following terms are commonly used in context of working on the Internet:
SERVER: A Server is a program that runs on a machine and is meant to provide services to the machines (clients) connected to it. It accepts the requests which come to it from a client, processes, the requests, generates the response, and sents the required information to the client. The communication between a client and a server uses HTTP protocol.
CLIENT: A client is a computer system which uses a network to access a remote service from the server. It carries out the user's / client's request to the server and displays the results sent by the server. It can access the applications or information from the main server. A client is also known as a node.
WEB CLIENT: A web client is an application (e.g.Internet Explorer, Mozilla Firefox, Google Chrome) running on a local device (desktop, notebook, cell phone) that requests and uses services provided by a web server. It is also known as a thin client because it relies heavily on the web server for fetching the information from it.
A web client and a web server are two components of a connection. A client is any machine sending the requests for information, and the server is responding to the information requeated. Some examples of a web clienta are a web browser, an e - mail program, a chatting program, and file sharing programs.
WEB BROWSER: It is software application through which one searches and accesses information on the World Wide Web. For example, Google Chrome, Internet Explorer, Mozilla Firefox, etc.
WEB PAGE: A web page is a document commonly written in HTML (Hypertext Markup Language) that is hosted on the Internet.
WEBSITE:
A website is a collection of publicly accessible interlinked web pages, containing related information, located under a single domain name.
DOMAIN NAME: It is a unique name given to each website.
URL: The uniform Resource Locator denotes the global address of the documents and other resources on the World Wide Web. The communication between a web user and an Internet resource is possible by identifying each resource on the Internet in a standardised manner.
WEB PORTOL: It is a gateway to a wide range of Internet services, such as an e - mail, search engines, forums, e - commerence, etc.
BLOG (OR WEBLOG): A blog is a frequently updated online personal journal or dairy. It is an easy - to - create website, which consists of a signed and dated log of individual posting.
BLOGGER: The author of a blog is called blogging.
BLOGGING: The act of writing a blog is called blogging.
NEWSGROUP: It is an online platform where people can exchange information on any topic.
E - MAIL (ELECTRICAL MAIL): It is an electronic messaging system that allows one to send and receive letters and attachments (images, videos, and other files) in real time.
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E - MAIL ADDRESS: It is a unique electronic address where e - mails are received. Similar to how you need a physical address to receive a postal mail, you need an e - mail address to Name, separated by the @ ('at') symbol. For example,
Following sections explain the above given topics in detail:
WEB SERVER
A Server is a program that runs on a machine and is meant to provide services to the machines (clients) connected to it. It accepts the requests which come to it from a client, processes the requests, generates the response, and sends the required information to the client. The communication between a client and a server uses HTTP protocol.
A Web server is a type of server which is responsible for providing web content. It primarily hosts the websites and allows the clients or Internet uses to access these sites. The primary function of a web server is a store, process, and deliver web pages to clients. A browser sends a request for a web page and the web server in return searches for the requested page. It scans the requests sent by clients for any possible vulnerabilities and malware, provides secure access to the website data, and prevents it from any unauthorised access.
The web server takes help of additional servers called Applications servers when the webaites contain dynamic content. These servers provide one centralised storage space to store files. The server also helps the uses in sharing resources and equipments like printers, fax machines, and provides Internet access to all authorised users.
DIFFERENCE BETWEEN SERVER AND WEB SERVER
SERVER
WEB SERVER
A server is a type of computer or device on a network that provides services to machines (clients) connected to it.
A web server is a program or a computer, primarily responsible for providing web contents. It stores, process, and delivers web content in the form of text, pictures, videos, and animations to its clients.
Server manage hardware and software resources in a network.
A web server is designed to server only HTTP requests from a web browser and response, such as sending back an HTML page.
A server can be a shared server or a dedicated server.
A web server is a dedicated server.
A server provides access to server - side logic (Server Applications) using the languages supported by the server, such as Java, PHP, C#.
It can only display static HTML content on the web browser.
The various types of servers are application server, file server, print server, communication server, and domain server.
Some common web servers are Apache Server, Microsoft IIS Server, IBM Lotus, and Sun Java System.