The Internet• How It Works

• History

• Vocabulary

• Safety

• Multimedia Resources

• Scavenger Hunt

How the Internet Works

1. View: Internet: How Does It Work

(2 minutes / wydea.com)

2. View: World Wide Web in Plain English

(3 minutes / youtube)

Look for answers to these questions in the films:

1. What is an IP address?

2. What is a broadband provider?

3. What does a Web Browser do?

4. What is a server?

History of the Internet

• Read:

History of the Internet

• View:

History of the Internet (8 minutes / youtube)

1. What was ARPANET? Why is it significant?

2. In what decade was the idea of the internet first conceived?

3. What does TCP/IP stand for? Why is it important?

1. ASCII (American Standard Code for Information Interchange) = an international standard in which numbers, letters, punctuation marks, symbols and control codes are assigned numbers from 0 to 27. Easily transferred over networks.

2. Attachment = A file sent "attached" to an email message. The file may be a picture, text file, audio, video, or executable program. Multiple files may be "stuffed" or "zipped" in order to save space and protect the data from corruption. Should be checked for viruses with virus detection software.

3. Browser = A software program with a graphical user interface that is used to access the World Wide Web. Examples: Internet Explorer, Firefox, Safari, etc.

4. Cyberspace = A term coined by William Gibson in his novel Neuromancer to refer to a near-future computer network where users mentally travel through matrices of data. The term is now used to describe the Internet and the other computer networks.

5. Domain = The part of an internet address naming convention that consists of a sequence of characters separated by dots. The original five domain abbreviations (last three characters in URL or address) are edu (Educational institutions), com (Commercial businesses), gov (U.S. government), mil (The U.S. military), org (Other organizations), and net (Network/Internet Service Providers).

6. Download = The process of transferring files from another computer to another via a modem or local network.

Continued on next slide… page 1 of 3

Basic Internet Vocabulary

Basic Internet Vocabulary (continued)

7. E-mail = (electronic mail) The process of sending messages via a computer network. 8. IMAP (Internet Message Access Protocol) Protocol that most e-mail software programs use

to send and receive email from and to an email server.9. Favorites or bookmarks = A listing in your browser that displays websites that have been

saved for future visits.10. Flame = A virulent and often personal attack against the author of listserv or newsgroup

posting.11. Homepage = The web page that opens up when you start your Browser, or the opening web

page of a web site.12. Hypertext = Text on an HTML document that has been organized to provide links between

other elements of the same document or other documents on the Web. Selecting a hypertext link (usually by clicking the mouse pointer on the text itself) will display the linked information.

13. Internet = The vast collection of inter-connected networks that all use the TCP/IP protocols and that evolved from the ARPANET of the late 60's and early '70s--a worldwide network of computer networks.

14. IP address = A computer unique Internet address, which usually looks like this: 128.223.142.14. Most computers also have a domain name assigned to them, which represents cryptic IP addresses with easier-to-remember words.

15. Links = Hypertext which, when clicked, connects you to another web page. The web page can be on the same site or a different site.

Continued on next slide… page 2 of 3

Basic Internet Vocabulary (continued)

16. PDF = (portable document format) A file type that is readable on multiple-platforms (Windows AND Mac, linux, unix, etc.) with a free downloadable program called Adobe Acrobat Reader

17. Protocol = A precise definition or procedural rule of how computers interact with one another on a network. There are many different information protocols. HTTP (HyperText Transfer Protocol), for transmitting text files in HTML; E-mail (SMTP), for sending electronic mail messages; Usenet News (NNTP), for having electronic group discussions; File Transport Protocol (FTP), for transferring files between computers; Telnet, for running programs on remote computers; WAIS, for searching remote collections of indexed information; Gopher, for browsing remote text information through a menu interface.

18. Search Engine = Provides the ability for users to search the Web by typing in a search terms. Results can include pages, documents or images.

19. TCP/IP = (Transmission Control Protocol/Internet Protocol) The two main protocols of the Internet. In order for a computer to connect to the Internet it requires TCP/IP communication software.

20. URL = (Uniform Resource Locator) The address for a specific file (page or site) on the web.21. World Wide Web = (WWW, or Web) The interactive portion of the Internet, an

information protocol that is used to send and receive information. Information on theWeb includes multimedia (movies, pictures, sounds, etc.), hypertext (links to other internet resources) or text (documents, files, etc.).

page 3 of 3

Internet Safety

To view the videos click: Netsmartz.org

NSTeens resources empower tweens (children ages 8- 12) to make safer online choices through lessons taught in a series of animated videos highlighting the Internet-related adventures of a diverse cast of teenagers.

Directions: On notebook paper, create two columns by drawing a line down the center of the paper. At the top of the left column write DO’s. At the top of the right column write DON’T’s. As you watch the netsmartz videos, make a top 10 list of what you should do and what you should not do when using the internet.

Some Favorite Multimedia Internet Resources

Text Generators:Flamingtext.comCooltext.com

Backgrounds:Backgroundcity.comFreebackgrounds.com

Pictures/Graphics:Designandcreate.comPics4learning.com

Gif Animations:Gifanimations.comAnimationonline.com

Sounds / Music:Findsounds.comSimplythebest.net

Reference:Worldbookonline.comBritannica.com

Web Design:Lissaexplains.comW3schools.com

Internet Scavenger Hunt

Find and save to your network drive:

1. Your name as a logo from a text generator (.gif or .jpg)

2. The sound of a cow going “mooooo”(.wav)

3. A picture of your favorite animal (.jpg)

4. An animated graphic (.gif) 5. A background for a webpage (.jpg)