Professor Michael J. Losacco CIS 1150 – Introduction to Computer Information Systems The Internet, the Web, and Electronic Commerce Chapter 2

Chapter2 2/20 Overview Discuss Origins of the Internet & Web Describe How to Access the Web Discuss Internet Communication Types Describe Search Tools Evaluate Accuracy of Web Information Discuss Electronic Commerce Describe Cloud Computing Describe Web Utilities

Chapter2 3/20 The Internet and the Web Origination Originated as ARPANET in Sept 1969 Goals Allow Scientists in Different Places to Collaborate Function Even if Part of Network Disabled Renamed Internet in the Late 1980s World Wide Web Introduced in 1991 Tim Berners-Lee

Chapter2 4/20 The Internet and the Web Web 1.0 Link Existing Information Web 2.0 Dynamic Content Creation Social Interaction Web 3.0 Computer-generated Information Locate & Integrate Information Require Less Human Interaction

Chapter2 5/20 Access ISP (Internet Service Provider) Provide Connection to Internet Browsers Provides Interface to Internet & Web Netscape Navigator Microsoft Internet Explorer Mozilla Firefox Safari Chrome

Chapter2 6/20 Access Addressing Internet IP Address Identifies Device Connected to Internet Domain Name Text Version of IP Address

Chapter2 7/20 Access Addressing Web URL (Uniform Resource Locator) Unique Address for Page Located on Web Server

Chapter2 8/20 Access Addressing TLD (Top Level Domain) Identifies Type of Organization ccTLD Two-letter Country Code Outside US ICANN Assigns & Controls TLDs DNS (Domain Name System) DNS Server Translates Domain Name to IP Address

Chapter2 9/20 Access Technologies Employed HTML (Hypertext Markup Language) CSS (Cascading Style Sheets) JavaScript AJAX Applets

Chapter2 10/20 Communication Client-based / Web-based 4.3 Billion Clients 144 Billion s Sent per Day Spam Blockers / Filters 68.8% Spam 50.8% Pharmaceuticals Spam royal.pingdom.com 1/13

Chapter2 11/20 Communication Text Messaging Short Messages <160 Characters SocNet (Social Networking) Connect People with Common Interests Facebook Google+ LinkedIn Business Oriented

Chapter2 12/20 Communication Blog (Web Log) Online Diary Theme / Hobby Information Microblog Twitter Webcast Broadcast Live Event Wiki Allow Visitors to Edit Site Content

Chapter2 13/20 Search Tools Search Engine Search for Word / Phrase Spider / Crawler / Bot Ranks Keyword Relevance Specialized Content Evaluation

Chapter2 14/20 Electronic Commerce Business-to-Consumer (B2C) Online Banking Financial Trading Shopping Consumer-to-Consumer (C2C) Auctions Business-to-Business (B2B) Manufacturer-Supplier Relationship M-commerce Mobile Device Used for Transaction

Chapter2 15/20 Electronic Commerce Security Credit Card Fraud Digital Cash Converted Through Third Party e.g., Paypal

Chapter2 16/20 Cloud Computing Shift Location of Programs & Data From User to Internet Available to Any Internet Client No Need to Buy / Install / Maintain Programs & Data

Chapter2 17/20 Web Utilities Plug-ins Additions that Extend Browser Capability Filter Restrict Access File Transfer Upload / Download To / From Others Internet Security Suites Maintain Security / Privacy on Internet

Chapter2 18/20 Cyberbullying Types Gossip Exclusion Impersonation Harassment Cyberstalking Outing Cyberthreats

Chapter2 19/20 Cyberbullying 52% Reported Being Cyberbullied 52% of Teens Do Not Inform Parents 13-year-old Commits Suicide (10/06) Unwanted Sexual Experiences 18% Reported Internet Victimization 10% Reported Texting Victimization is4k.com 4/10 Bureau of Justice Statistics 5/13

Chapter2 20/20 Careers in IT Webmaster Develop and Maintain Websites and Resources Involved In Design, Monitor Traffic Bachelor's Degree in Computer Science Knowledge of HTML and CSS Annual Salary of $56,000 - $80,000