The Internet and World Wild Web

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

1. Objectives Overview

1.1. Discuss the evolution of the Internet

1.2. Describe the types of Internet access providers

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

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 ecommerce

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

2. The Internet

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

2.2. Evolution of the Internet

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

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

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

2.2.2. 1969 ARPANET becomes functional

2.2.3. 1984 ARPANET has more than 1,000 individual computers linked as hosts

2.2.4. 1986 NSF connects NSFnet to ARPANET and becomes known as the Internet

2.2.5. 1995 NSFNet terminates its network on the Internet and resumes status as research network

2.2.6. 1996 Internet2 is founded

2.2.7. Today More than 550 million hosts connect to the internet

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

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

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

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

2.2.10.1. Cable Internet service

2.2.10.2. DSL

2.2.10.3. Fiber to the Premises(FTTP)

2.2.10.4. Fixed wireless

2.2.10.5. Cellular Radio Network

2.2.10.6. Wi-Fi

2.2.10.7. Satellite Internet Service

2.2.11. An access provider is a business that provides individuals and organizations access to the Internet free or for a fee

2.2.12. ISP (Internet service provider)

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

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

2.2.13. Online service provider (OSP)

2.2.13.1. Has many members only features

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

2.2.14. Wireless Internet service provider (WISP)

2.2.14.1. Provides wireless Internet access to computers and mobile devices

2.2.14.2. May require a wireless modem

2.2.15. An IP address is a number that uniquely identifies each computer or device connected to the Internet

2.2.16. A domain name is the text version of an IP address – Top‐level domain (TLD)

2.2.17. A DNS server translates the domain name into its associated IP address

3. The World Wide Web

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

3.2. A Web site is a collection of related Web pages and associated items

3.3. A Web server is a computer that delivers requested Web pages to your computer

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

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

3.5.1. Internet Explorer

3.5.2. Firefox

3.5.3. Opera

3.5.4. Safari

3.5.5. Google chrome

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

3.7. Web pages provide links to other related Web pages

3.7.1. Surfing the Web

3.8. Downloading is the process of receiving information

3.9. Some Web pages are designed specifically for microbrowsers

3.10. A Web page has a unique address called a URL or Web address

3.11. Tabbed browsing allows you to open and view multiple Web pages in a single Web browser window

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

3.12.1. Search engine

3.12.1.1. Finds information related to a specific topic

3.12.2. Subject directory

3.12.2.1. Classifies Web pages in an organized set of categories

3.13. A search engine is helpful in locating items such as

3.13.1. Images

3.13.2. Videos

3.13.3. Audio

3.13.4. News

3.13.5. Maps

3.13.6. People or Businesses

3.13.7. Blogs

3.14. 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

3.15. Search operators can help to refine your search

3.16. There are thirteen types of Web sites

3.16.1. Portal

3.16.2. News

3.16.3. Informational

3.16.4. Business/Marketing

3.16.5. Blog

3.16.6. Wiki

3.16.7. Online Social Network

3.16.8. Education

3.16.9. Entertainment

3.16.10. Advocacy

3.16.11. Web Application

3.16.12. Content Aggregator

3.16.13. Personal

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

3.18. No one oversees the content of Web pages

3.19. Multimedia refers to any application that combines text with

3.19.1. Graphics

3.19.1.1. a digital representation of nontext information

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

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

3.19.2. Animation

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

3.19.3. Audio

3.19.3.1. includes music, speech, or any other sound

3.19.3.1.1. Compressed to reduce file size

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

3.19.3.3. Streaming is the process of transferring data in a continuous and even flow

3.19.4. Video

3.19.4.1. consists of full‐motion images that are played back at various speeds

3.19.5. Virtual Reality

3.19.5.1. the use of computers to simulate a real or imagined environment that appears as a three‐dimensional space

3.20. A plug‐in is a program that extends the capability of a Web browser

3.21. Web publishing is the development and maintenance of Web pages

3.21.1. Plan a Web site

3.21.2. Analyze and design a Web site

3.21.3. Create a Web site

3.21.4. Deploy a Web site

3.21.5. Maintain a Web site

4. E‐Commerce

4.1. a business transaction that occurs over an electronic network

4.1.1. M‐commerce identifies e‐commerce that takes place using mobile devices

4.2. Businesstoconsumer (B2C)

4.3. Business to business (B2B)

4.4. Consumer to consumer (C2C)

5. Other Internet Services

5.1. E‐mail

5.1.1. is the transmission of messages and files via a computer network

5.1.2. An e‐mail program allows you to create, send, receive, forward, store, print, and delete e‐mail messages

5.1.3. A mailing list is a group of e‐mail names and addresses given a single name

5.1.3.1. Subscribing

5.1.3.1.1. adds your e‐mail name and address

5.1.3.2. Unsubscribing

5.1.3.2.1. removes your name

5.2. Instant messaging (IM)

5.2.1. is a real‐time Internet communications service

5.3. A chat

5.3.1. is a real‐time typed conversation that takes place on a computer

5.3.2. A chat room is a location on an Internet server that permits users to chat with each other

5.4. VoIP (Voice over IP)

5.4.1. enables users to speak to other users over the Internet. Also called Internet telephony

5.5. A newsgroup

5.5.1. is an online area in which users have written discussions about a particular subject

5.5.2. Typically requires a newsreader

5.6. A message board

5.6.1. is a Web‐based type of discussion group

5.7. FTP (File Transfer Protocol)

5.7.1. is an Internet standard that permits file uploading and downloading with other computers on the Internet

5.7.2. Many operating systems include FTP capabilities

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

6. Netiquette

6.1. is the code of acceptable Internet behavior

6.2. New node