Internet Basics

Objectives After completing this class, you should be able to: Describe what the Internet is and how it works Navigate web browsers Know how URLs work and how they are formed Perform a simple search Internet Basics

What is the Internet? Internet Basics Internet, World Wide Web, The Web, The Net A large computer network linking individual computers around the world Often called “the web” because of the intricate, web- like way computers are connected

Browsers Internet Basics As of August 2013 (w3schools.com) Internet Explorer Chrome Firefox 11.8% 52.9% 28.2% Safari Opera 3.9% 1.8%

Accessing the Internet Double-click on your preferred browser icon on the desktop OR single-click on the icon in the task bar Displays Homepage Internet Basics

Navigating a Browser Forward/Back Buttons Reload Stop Loading Navigation Bar Bookmark Page Internet Basics

URLs Acronym for “Uniform Resource Locator” Address of internet pages and files Consists of three parts Internet Basics

Protocol Always at the front of the URL http = “hypertext transfer protocol” - the language of web pages https = “hypertext transfer protocol SECURED” - layer of encryption to hide your personal information and passwords - should always be the start of a page collecting your personal information Internet Basics

Homepage The page that is automatically displayed when you first open your browser Can be left at the default or changed in the settings menu Often defaults to Google or another search engine Internet Basics

Search Engines Best Known: Google, BING, Ask, Yahoo! Three Key Features of a Good Search Engine 1. Relevant results (results you are actually interested in) 2. Uncluttered, easy to read interface 3. Helpful options to broaden or narrow a search Internet Basics

The Big Two: What is the Real Difference? Bing vs. Google Internet Basics

Basic Searching Keyword Search – a search using words and/or phrases Results return anything that include any search terms Precision & Recall Internet Basics

Sample Results Internet Basics

Review Try it! Find the names of upcoming Disney movies! Questions? Internet Basics