Internet basics


Published on

Published in: Education, Technology, Design

Internet basics

  2. 2. Welcome!The Internet is a powerful, all though sometimes intimidating, tool for research, communication, and more.
  3. 3. What We’re Covering Basic Description of the Internet What is WWW What an Internet browser is and how to use it How to visit a website you know How to find websites you don’t know How to use a keyboard and mouse
  4. 4. What We’re Not Covering How to use FACEBOOK
  5. 5. Quick Survey Has anybody not used a keyboard and mouse? Has anybody used the Internet? Do any of you have the Internet at home?
  6. 6. Using Your Mouse To move your cursor (the arrow on the screen) you move your mouse. This is how you navigate the screen Most mice have two buttons – a left button and a right button 99% of the time you will be using the left button
  7. 7. Drop Down Boxes Sometimes on the Internet you are provided with a choice of items (shown right) Click on the down arrow which results in all the options appearing and the list of options will appear Click the ESC key if you don’t want to select anything
  8. 8. Scrolling Sometimes a webpage is too long to fit on the screen. When this happens we need to “scroll” You can scroll by:  Clicking the arrows on the right hand of the screen  Clicking and dragging the bar on the right hand of the screen  Rolling the scroll wheel
  9. 9. What is the Internet? The Internet is a worldwide, publically accessible series of interconnected computer networks
  10. 10. What is an IP address? Internet Protocol Number that uniquely identifies each computer device connected to the internet Four groups of numbers, separated by a period Number in each group is between 0 and 255  Ex. | (
  11. 11. What is a domain name? Text version of an IP address Each domain name represents one or more IP addresses
  12. 12. 2 types of computer in terms of internet 1. CLIENT – computer that knows how to communicate with a particular type of server to use the information stored on that server. 2. SERVER – computer that handles requests for data, email, file transfer, and other network services. It stores information for use by clients.
  13. 13. How did the Internet originate? In 1969, the US Department of Defense started a project to allow researchers and military personnel to communicate with each other in an emergency. The project was called ARPAnet and it is the foundation of the INTERNET.
  14. 14. Who controls the internet? No one – it is a public, cooperative, and independent network Several organizations set standards  WORLD WIDE WEB CONSORTIUM (W3C)  Timothy John "Tim" Berners-Lee (director)  Oversees research, set standards and guidelines  Mission is to contribute to the growth of the Web
  15. 15. How Do You Get On TheInternet?You need three items to get on the Internet:  Computer  with System Software and Application Software  Cables, modem or router to hook up your computer to other computer or to the Internet via the ISP  Internet Service Provider (ISP)
  16. 16. Also Recommended(!)While not technically necessary it is highly recommended your computer also have the following when hooked up to the Internet:  Anti-virus Software  Firewall  Anti-Spyware Software  Latest Updates To Your Operating System
  17. 17. What is the WWW? WORLD WIDE WEB A worldwide collection of electronic documents, also called WEB Each electronic document is called a Web page Can contain text, graphics, audio, video, and built-in connections A Web site is a collection of related Web pages
  18. 18. Who invented the WWW? World Wide Web was invented by Tim Berners-Lee and Robert Cailliau in 1990, while working at CERN (the European Organization for Nuclear Research)
  19. 19. How Do You Surf Web and TheInternet? First you start your Internet browser (Internet Explorer, Firefox, Opera, Safari, etc.) If you know where you want to go then enter the address in the Internet browser If you don’t know where you want to go then you go to a search engine, perform a search, and then go to the website
  20. 20. What is a Web Browser Application software that enables you to access and navigate the Web or the Internet by viewing web pages.  Ex. Mozilla Firefox, Google Chrome, Microsoft Internet Explorer, Opera, Safari
  21. 21. Starting Your Internet BrowserVia The Start Menu Or Via The Desktop
  22. 22. Visiting A Known Website If you know the address of the website you want to visit (i.e. you type it in the address bar and click on the button Type In Address Here And Click Here
  23. 23. Visiting An Unknown Website(1/2) Go to a search engine – a web page that helps you find websites. Google ( is the most popular Enter into the search box what you want to search for and click search Type In What You’re Searching For Here And Then Click Here
  24. 24. Visiting An Unknown Website(2/2) After you click search the search engine will display your results It may take several searches to find what you’re looking for The more keywords you search with the
  25. 25. Searching For Known Websites Don’t waste your time searching for a website you all ready know the address to Not all websites are in search engines The Internet is more than websites
  26. 26. What is a website? Site or area o the World Wide Web that is accessed by its own Internet Address (domain name) Collection of related web pages. Contains a home page and additional pages. Owned by:  Individual, company or organization
  27. 27. Home Page Web page that your browser uses when it starts Refers to the main web page out of a collection of web pages
  28. 28. Web page Basic unit of every website It can be an article, an ordering page or a single paragraph It is usually combination of text, pictures, videos, and sound.
  29. 29. What is a hyperlink? Also called a link Built-in connection to another related Web page or part of a Web page Link can be a word, phrase, or graphics  The shape of the pointer on the screen changes to a small hand with a pointing index finger when you position it on a link or point to the link
  30. 30. What is URL? Uniform Resource Locator Address that points to a particular document or other resources on the Internet. Address of a web page or web address
  31. 31. What are the parts of a URL? protocol domain name path
  32. 32. First Part - PROTOCOL Tells the web browser what server it will be talking to in order to fetch the URL  Common Protocol  http, https, ftp, pop3, smtp
  33. 33. Second Part- DOMAIN NAME Identifies the web site containing the pages. TOP-LEVEL DOMAIN  Last part of the domain name (ex. .com)
  34. 34. TOP-LEVEL DOMAIN Generic TLD  Ex. .com, .edu, .gov, .net, .org, .info Country Code TLD  Ex. .ph, .us, .au, .jp
  35. 35. Third Part - PATH Indicates where the web page is located within the web space of the web site.