Internet

Covering topics like web servers, cookies, URL’s, MAC and IP numbers, Internet Service Providers and more.

Uniform Resource Locator (URL)

A link is more formally known as a URL, which stands for Uniform Resource Locator.  In the domain of computer science, there’s always been a debate about the difference between a URL and a URI.  Sometimes you’ll see the word web link and URL used interchangeably, and sometimes you’ll see the acronym URL and URI …

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Web Browser

The most important program in your computer is the web browser, and yet most people are not sure which web browser they are using, or even what exactly a web browser is.  A web browser is not in itself all that different from Windows or Mac, which are systems that allow you to manage files …

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IP and MAC Addresses

IP Address An Internet Protocol (IP) address is a rational numerical address which is allocated to every single computer and computer device that is a member of a given Transmission Control Protocol / Internet Protocol (TCP/IP)-based network. The IP address is the main element on which the networking architecture is made—no network occurs without it.  …

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HTML Structure and Presentation

HTML HTML (Hypertext Markup Language) is the recognised markup language utilised in forming web pages.  It defines the composition of web pages by using markup.  HTML elements are the primary units of HTML pages, and are  denoted by tags.  HTML tags label parts of content like headings, paragraphs, and tables.  Browsers do not show the …

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Hypertext Transfer Protocol (HTTP)

Hypertext Transfer Protocol (HTTP) is a group of guidelines that authorise users of the World Wide Web to exchange information found on web pages. When accessing any web page, inputting http:// in front of the address informs the browser to communicate over HTTP. Nowadays, HTTP is no longer required to be entered at the beginning …

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Web Server

A web server is a computer program manages websites by allocating web pages as they are requested.  The primary objective of the web server is to save, handle, and distribute web pages to the users.  This transmission is done using HyperText Transfer Protocol (HTTP).  Most of the web pages are constant structures, which include HTML …

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Internet Service Provider (ISP)

An Internet Service Provider (ISP) is a company that provides access to the internet.  Wherever you may be, every time you connect to internet, your connection is routed through an ISP. In the beginning, dial-up modems were used by ISPs to grant internet connection.  Regular phone lines were utilised during this time and speed was …

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Cookies

What are Cookies? Cookies are small amount of text-only data saved on the computer while browsing a certain website.  Typically, they contain two pieces of information:  a site name and a unique user ID. Why are they called Cookies? It was first called cookie by Lou Montulli.  He took it from the term magic cookie. …

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