BTT 10

What is the internet?  A question to all of you…  how-many-people-use-the-internet- more-than-2-billion-infographic/

A Network  Think about all of the computers that are connected at BSS.  Such a group of computers is called a network.  Computers in a network can communicate with one another.  This is why you can access your files from one computer to another.  All of these networks are connected to one another in a huge worldwide network.  This network of networks is called the Internet.

The Internet  is a world-wide network of computers  users can access a wide range of information and services  Users can communicate electronically with people all over the world  via telephone lines, cable lines, satellites, mobile devices, etc.  The Internet is made of millions of computers around the world.

How Does it Work?  Computers must understand one other.  Just like people, they must speak the same language in order to communicate. They use a language called hypertext mark up language, or “html”.  Computers connected to the Internet exchange instructions that allow them to “talk” to one another.

How Do We Connect?  We connect to the internet via an Internet Service Provider (ISP)  For a fee, they allow us to connect to the internet via their infrastructure  What are these fees based on?

Web Browsers  A web browser or Internet browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web.  What Browser do you use?

Terminology  When Web browsers serve up the pages and sites you visit during your online sessions, they load your content into windows and tabs.  Because your browser supports tabs, you can open multiple destinations in docked windows that share the same window controls.

Continued…  To visit an online destination, you must tell your browser where you want to go.  The address bar, also known as the location line, displays the URL – the address – of the page you're visiting and accepts typed or pasted input to determine the next site to display.

Continued…  Unless you tell it not to, a browser will keep track of your history for you in order to improve your browsing experience  Just as you can fold over a page in a book or magazine, you can bookmark a webpage so you can find it again at a later date  Bookmarks can be sub-categorized like a folder for ease of navigation