The Internet and World Wide Web

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The Internet and World Wide Web by Mind Map: The Internet and World Wide Web

1. Objectives Overview

1.1. Discuss the evolution of the Internet

1.2. Identify and briefly describe various broadband Internet connections and state differences between broadband Internet connections and dial‐up connections

1.3. Describe the types of Internet access providers

1.4. Describe the purpose of an IP address and its relationship to a domain name

1.5. Explain the purpose of a Web browser and identify the components of a Web address

1.6. Describe how to use a search engine to search for information on the Web and differentiate between a search engine and a subject directory

1.7. Describe the types of Web sites

1.8. Explain how Web pages use graphics, animation, audio, video, virtual reality, and plug‐ins

1.9. Identify and briefly describe the steps required for Web publishing

1.10. Describe the types of e‐commerce

1.11. Explain how e‐mail, mailing lists, instant messaging, chat rooms, VoIP, newsgroups and message boards, and FTP work

1.12. Identify the rules of netiquette

2. The Internet

2.1. The Internetis a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals

3. Evolution of the Internet

3.1. The Internet originated as ARPANET in September 1969 and had two main goals:

3.1.1. Allow scientists at different physical locations to share information and work together

3.1.2. Function even if part of the network were disabled or destroyed by a disaster

3.2. Each organization is responsible only for maintaining its own network

3.2.1. The World Wide Web Consortium (W3C) oversees research and sets guidelines and standards

3.3. Internet2 connects more than 200 universities and 115 companies via a high‐speed private network

3.4. Many home and small business users connect to the Internet via high‐speed broadband Internet service

3.5. An access provideris a business that provides individuals and organizations access to the Internet free or for a fee

3.5.1. ISP(Internetserviceprovider)

3.5.1.1. Regional ISPs provide Internet access to a specific geographical area

3.5.1.2. National ISPs provide Internet access in cities and towns nationwide

3.5.2. Online service provider (OSP)

3.5.2.1. Has many members‐only features

3.5.2.2. Popular OSPs include AOL (America Online) and MSN (Microsoft Network)

3.5.3. Wireless Internet service provider (WISP)

3.6. An IP addressis a number that uniquely identifies each computer or device connected to the Internet

3.7. A DNS servertranslates the domain name into its associated IP address

3.7.1. A domain nameis the text version of an IP address

3.7.1.1. Top‐level domain (TLD)

4. The World Wide Web

4.1. The World Wide Web, or Web, consists of a worldwide collection of electronic documents (Web pages)

4.2. A Web siteis a collection of related Web pages and associated items

4.3. A Web serveris a computer that delivers requested Web pages to your computer

4.4. Web 2.0refers to Web sites that provide a means for users to interact

4.5. A Web browser, or browser, allows users to access Web pages and Web 2.0 programs

4.5.1. Internet Explorer

4.5.2. Firefox

4.5.3. Opera

4.5.4. OperaSafari

4.5.5. Google Chrome

4.6. A home page is the first page that a Web site displays

4.7. Web pages provide linksto other related Web pages

4.7.1. Surfing the Web

4.8. Downloadingis the process of receiving information

4.9. Some Web pages are designed specifically for microbrowsers

4.10. A Web page has a unique address called a URLor Web address

4.11. Tabbed browsingallows you to open and view multiple Web pages in a single Web browser window

4.12. Two types of search tools are search engines and subject directories

4.12.1. Search engine

4.12.1.1. Finds information related to a specific topic

4.12.2. Subject directory

4.12.2.1. Classifies Web pages in an organized set of categories

4.13. A search engine is helpful in locating items such as:

4.13.1. Images

4.13.2. Videos

4.13.3. Audio

4.13.4. News

4.13.5. Maps

4.13.6. People or Businesses

4.13.7. Blogs

4.14. Some Web browsers contain an Instant Search box to eliminate the steps of displaying the search engine’s Web page prior to entering the search text

4.15. Search operators can help to refine your search

4.16. There are thirteen types of Web sites

4.16.1. Portal

4.16.2. News

4.16.3. Informational

4.16.4. Business/Marketing

4.16.5. Blog

4.16.6. Wiki

4.16.7. Online Social Network

4.16.8. Educational

4.16.9. Entertainment

4.16.10. Advocacy

4.16.11. Web Application

4.16.12. Content Aggregator

4.16.13. Personal

4.17. Information presented on the Web must be evaluated for accuracy

4.18. No one oversees the content of Web pages

4.19. Multimediarefers to any application that combines text with

4.19.1. Graphics

4.19.1.1. A graphicis a digital representation of nontextinformation

4.19.1.2. Graphic formats include BMP, GIF, JPEG, PNG, and TIFF

4.19.1.3. A thumbnail is a small version of a larger graphic

4.19.2. Animation

4.19.2.1. Animationis the appearance of motion created by displaying a series of still images in sequence

4.19.3. Audio

4.19.3.1. Audioincludes music, speech, or any other sound

4.19.3.1.1. Compressed to reduce file size

4.19.3.2. You listen to audio on your computer using a player

4.19.3.3. Streamingis the process of transferring data in a continuous and even flow

4.19.4. Video

4.19.4.1. Videoconsists of full‐motion images that are played back at various speeds

4.19.5. Virtual Reality

4.19.5.1. Virtual reality(VR) is the use of computers to simulate a real or imagined environment that appears as a three‐dimensional space

4.20. A plug‐inis a program that extends the capability of a Web browser

4.21. Web publishingis the development and maintenance of Web pages

4.21.1. Plan a Web site

4.21.1.1. Analyze and design a Web site

4.21.1.1.1. Create a Web site

5. E‐Commerce

5.1. E‐commerceis a business transaction that occurs over an electronic network

5.1.1. M‐commerceidentifies e‐commerce that takes place using mobile devices

5.2. Business‐to‐consumer (B2C)

5.3. Business‐to‐business (B2B)

5.4. Consumer‐to‐consumer (C2C)

6. Other Internet Services

6.1. E‐mailis the transmission of messages and files via a computer network

6.2. An e‐mail programallows you to create, send, receive, forward, store, print, and delete e‐mail messages

6.3. A mailing listis a group of e‐mail names and addresses given a single name

6.3.1. Subscribingadds your e‐mail name and address

6.3.2. Unsubscribingremoves your name

6.4. Instant messaging (IM) is a real‐timeInternet communications service

6.5. A chatis a real‐time typed conversation that takes place on a computer

6.6. A chat roomis a location on an Internet server that permits users to chat with each other

6.7. VoIP(Voice over IP) enables users to speak to other users over the Internet

6.7.1. Also called Internet telephony

6.8. A newsgroupis an online area in which users have written discussions about a particular subject

6.8.1. Typically requires a newsreader

6.9. A message boardis a Web‐based type of discussion group

6.10. FTP(File Transfer Protocol) is an Internet standard that permits file uploadingand downloading with other computers on the Internet

6.10.1. Many operating systems include FTP capabilities

6.10.2. An FTP server is a computer that allows users to upload and/or download files using FTP

7. Netiquette

7.1. Netiquetteis the code of acceptable Internet behavior

8. Summary

8.1. History and structure of the Internet

8.2. World Wide Web

8.3. Browsing, navigating, searching, Web publishing, and e‐commerce

8.4. Other Internet services: e‐mail, instant messaging, chat rooms, VoIP, newsgroups and message boards, and FTP

8.5. Rules of netiquette