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

Objectives Overview

Discuss the evolution of the Internet

Describe the types of Internet access providers

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

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

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

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

Describe the types of Web sites

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

Identify and briefly describe the steps required for Web publishing

Describe the types of ecommerce

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

The Internet

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

Evolution of the Internet

The Internet originated as ARPANET in September 1969 and had two main goals, Allow scientists at different physical locations to share information and work together, Function even if part of the network were disabled or destroyed by a disaster

1969 ARPANET becomes functional

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

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

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

1996 Internet2 is founded

Today More than 550 million hosts connect to the internet

Each organization is responsible only for maintaining its own network, The World Wide Web Consortium (W3C) oversees research and sets guidelines and standards

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

Many home and small business users connect to the Internet via high‐speed broadband Internet service, Cable Internet service, DSL, Fiber to the Premises(FTTP), Fixed wireless, Cellular Radio Network, Wi-Fi, Satellite Internet Service

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

ISP (Internet service provider), Regional ISPs provide Internet access to a specific geographical area, National ISPs provide Internet access in cities and towns nationwide

Online service provider (OSP), Has many members only features, Popular OSPs include AOL (America Online) and MSN (Microsoft Network)

Wireless Internet service provider (WISP), Provides wireless Internet access to computers and mobile devices, May require a wireless modem

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

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

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

The World Wide Web

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

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

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

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

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

Internet Explorer

Firefox

Opera

Safari

Google chrome

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

Web pages provide links to other related Web pages

Surfing the Web

Downloading is the process of receiving information

Some Web pages are designed specifically for microbrowsers

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

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

Two types of search tools are search engines and subject directories

Search engine, Finds information related to a specific topic

Subject directory, Classifies Web pages in an organized set of categories

A search engine is helpful in locating items such as

Images

Videos

Audio

News

Maps

People or Businesses

Blogs

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

Search operators can help to refine your search

There are thirteen types of Web sites

Portal

News

Informational

Business/Marketing

Blog

Wiki

Online Social Network

Education

Entertainment

Advocacy

Web Application

Content Aggregator

Personal

Information presented on the Web must be evaluated for accuracy

No one oversees the content of Web pages

Multimedia refers to any application that combines text with

Graphics, a digital representation of nontext information, Graphic formats include BMP, GIF, JPEG, PNG, and TIFF, A thumbnail is a small version of a larger graphic

Animation, the appearance of motion created by displaying a series of still images in sequence

Audio, includes music, speech, or any other sound, Compressed to reduce file size, You listen to audio on your computer using a player, Streaming is the process of transferring data in a continuous and even flow

Video, consists of full‐motion images that are played back at various speeds

Virtual Reality, the use of computers to simulate a real or imagined environment that appears as a three‐dimensional space

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

Web publishing is the development and maintenance of Web pages

Plan a Web site

Analyze and design a Web site

Create a Web site

Deploy a Web site

Maintain a Web site

E‐Commerce

a business transaction that occurs over an electronic network

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

Businesstoconsumer (B2C)

Business to business (B2B)

Consumer to consumer (C2C)

Other Internet Services

E‐mail

is the transmission of messages and files via a computer network

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

A mailing list is a group of e‐mail names and addresses given a single name, Subscribing, adds your e‐mail name and address, Unsubscribing, removes your name

Instant messaging (IM)

is a real‐time Internet communications service

A chat

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

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

VoIP (Voice over IP)

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

A newsgroup

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

Typically requires a newsreader

A message board

is a Web‐based type of discussion group

FTP (File Transfer Protocol)

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

Many operating systems include FTP capabilities

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

Netiquette

is the code of acceptable Internet behavior

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