Internet Information

ISYS 105B

What is the Internet?

Comprised of network of computers

Started in 1969 by U.S. Defense Dept.

Definitions

Internet

World Wide Web (WWW)

Web Site

Web Page

IP Address

Domain Names

URL

Purposes of a Web Site

E-Commerce

Conduct business

Sell products and services online Amazon.com Nordstom.com

Communicate with other businesses

Purposes of a Web Site(continued)

Personal UsesConduct personal researchPost messages on bulletin boardsSend and receive e-mailVisit with friends in chat rooms

Purposes of a Web Site(continued)

Information Purposes

Non-profit organizations

Weather

News

Internet Requirements

Internet Service Provider (ISP)American Online (AOL)CompuServeUSWest

Web Browser (to move around Internet) Internet ExplorerNetscape Communicator

Search Engine

Web Site Credibility

Businesses and Corporations

Advocate Groups

Reviewers

URL

Uniform Resource Locator

Identifies Internet locations

http://www.microsoft.comHypertext Transfer ProtocolWebServerDomain

Domains

.com

.edu

.gov

.net

.org

Cookies

Definition

How they get there

How to delete them

Secured Site

Two indications that ensure confidential datahttpssecurity button (lock)

Error Messages

DNS entry not found

The requested source could not be found

Server busy

Reasons for Error Messages

Mistyped URL

Web site server busy

Web page no longer exists

Browser Interface

Internet Explorer

Netscape Navigator

Hypertext Markup Language (HTML)

Inserted as codes.

Tells browser how to display documents

HyperlinksText (underlined and different color) Image

Let’s go to the Web!

1. Start

2. All Programs

3. Internet Tools

4. Internet Explorer