Internet Topics and Definitions

►The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (TCP/IP) to link several billion devices worldwide.

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►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 World Wide Web (abbreviated as WWW or W3, commonly known as the Web) is a system of interlinked hypertext documents that are accessed via the Internet.

►A Website, is a set of related web pages served from a single web domain.

►A Home page, index page, or main page is a page on a website. A home page usually refers to:

---The initial or main web page of a website, sometimes called the "front page" (by analogy with newspapers).

---The first page that appears upon opening a web browser program, which is also sometimes called the start page. This 'start page' can be a website or it can be a page with various browser functions such as the visual display of websites that are often visited in the web browser.

---The web page or local file that automatically loads when a web browser starts or when the browser's "home" button is pressed; this is also called a "home page". The user can specify the URL of the page to be loaded, or alternatively choose e.g. to re-load the most recent web page browsed.

---A personal web page, for example at a web hosting service or a university web site, that typically is stored in the home directory of the user.

►A Hyperlink is a reference to data that the reader can directly follow either by clicking or by hovering or that is followed automatically.

►A web browser (commonly referred to as a browser) is a software application for retrieving, presenting and traversing information resources on the World Wide Web.

►The Uniform Resource Locator, abbreviated as URL is a specific character string that constitutes a reference to a resource. In most web browsers, the URL of a web page is displayed on top inside an address bar.

An example of a typical URL would be "http://www.XYZ.com".

►Downloading means to receive data to a local system from a remote system, or to initiate such a data transfer.

►Uploading refers to the sending of data from a local system to a remote system such as a server or another client with the intent that the remote system should store a copy of the data being transferred.

►An Internet Protocol address (also known as an IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network.

It acts as an identifier for a computer. It is a unique address for every computer.

►An email attachment is a computer file sent along with an email message. One or more files can be attached to any email message, and be sent along with it to the recipient.

►Hotmail was co - founded by an Indian American entrepreneur Sabeer Bhatia along with Jack Smith in July of 1996

►CC (Carbon Copy) in e – mail indicates those who are to receive a copy of a message addressed primarily to another. The list of CCed recipients is visible to all other recipients of the message.

►An additional BCC (blind carbon copy) field is available for hidden notification; recipients listed in the BCC field receive a copy of the message, but are not shown on any other recipient's copy (including other BCC recipients).

►The Drafts folder retains copies of messages that you have started but are not yet ready to send.

►The first email was sent by Ray Tomlinson to himself in 1971.

Domain Types
Type	Description
Com	Commercial and for profit organizations
Edu	Education Provider, college, Universities
Gov	Federal Government Agencies
Mil	US military sites
Net	Internet infrastructure and service providers
Org	Miscellaneous and non-profit organizations