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Welcome to CMPE003 Personal Computers: Hardware and Software Dr. Chane Fullmer Fall 2002 UC Santa Cruz.

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Presentation on theme: "Welcome to CMPE003 Personal Computers: Hardware and Software Dr. Chane Fullmer Fall 2002 UC Santa Cruz."— Presentation transcript:


2 Welcome to CMPE003 Personal Computers: Hardware and Software Dr. Chane Fullmer Fall 2002 UC Santa Cruz

3 October 28, 20022 Assignments Assignment #5 – Due November 8, 2002 Programming Edit a Java Script program file If you want more information about javascript, visit

4 October 28, 20023 Class Information Midterm #2 Monday – November 4, 2002. ID required. Covers Chapters 6 through 10. Book reading plus lectures. Multiple choice Requires Scantron #F-1712-ERI-L (pink) ~50 questions No makeups after the fact

5 The Internet in Business: Corporations, Businesses, and Entrepreneurs Chapter 9

6 October 28, 20025 Objectives Discuss the pervasiveness and inevitability of business on the Internet Explain how money factors, especially advertising, affect the Web Describe the likely success factors for Web entrepreneurs Differentiate between business-to-Consumer and Business-to- Business sites Explain the importance of Internet transmission speed for business sites Differentiate between intranets, extranets and virtual private networks

7 October 28, 20026 E-Commerce Electronic Commerce Buying and selling over the Internet

8 October 28, 20027 E-Commerce Retail Sites Retail becomes etail

9 October 28, 20028 E-Commerce Retail Sites Clothes Out-of-print biography Used car Bargain airline tickets Music CDs Videos Baby equipment Jewelry Sporting goods Office supplies Cosmetics Flowers Gifts Groceries What’s for Sale? EVERYTHING!

10 October 28, 20029 Etail Advantage to Consumer Any time shopping No need to dress and travel – shop naked!! Saves time Provides simple means to comparison-shop Anyplace Contributes to competition

11 October 28, 200210 Etail Savings to retail business No physical store building People time

12 October 28, 200211 The Commerce Site Lists and views of products and prices Content Product related Updated regularly Written to interest visitors in returning to site to purchase in the future

13 October 28, 200212 Commerce vs. Content Sites Commerce adding content Content adding products and sales information Division is no longer clear

14 October 28, 200213 E-Commerce Acceptance Opposition to e-Commerce by in-person sales representatives Strategy to merge Etail and Retail Web site prices may be higher Commission to sales representative on each Internet transaction regardless of their involvement with its origin Web site marketing followed by local store purchase

15 October 28, 200214 E-Commerce Acceptance Successful web site may alienate others

16 October 28, 200215 Promoting a Web Site Users must find their way to the site Advertising needed Traditional ads on web pages Portals

17 October 28, 200216 Portals Definition – entry point to the rest of the Internet Presents content and links to variety of topics Customize the content User provides personal data Portal provides related information and links Can become your home page

18 October 28, 200217 Portals Earning Money Flat fee to be listed on portal based upon number of visitors to the site Percentage of sale generated by a visitor who traveled to the affiliate via the portal

19 October 28, 200218 Portals Who Are They? Yahoo! MSN Snap! Excite Netscape Go Network America Online Search engines that expanded their content and retail connections

20 October 28, 200219 Advertising Pay a fee to the host site Disadvantage of online Ads Contain graphics and applets that load slowly Ads load first

21 October 28, 200220 Advertising Types of Online Ads Banner ads Clickable Users reluctant to click through Live banner Displays sales pitch User does not need to leave current site Work slowly Expensive to develop Context-sensitive Ad is related to subject matter on web page Greater click through and conversion

22 October 28, 200221 Web-based Business Simple to start-up of new businesses Provides access to people and global markets Minimum investment Server link Home page Competition Not a level playing field Large advertising budgets of large companies “get the word out”

23 October 28, 200222 Web-based Business Make business look large Many products can be offered since no inventory No physical space to reflect size

24 October 28, 200223 Payments Finalize order by Phone Fax Call with credit card number Enter credit card number Security Communication between buyer and retailer is encrypted Use SSL (Secure Sockets Layer) protocol and generate the message “our secure server”

25 October 28, 200224 Taxes American Federal Law Taxes due only on mail-orders within your state Actual ‘presence’ of etail is debatable

26 October 28, 200225 Taxes Internet Tax Freedom Act – 1998 Provisions No tax on Internet access charges No new tax on out-of-state businesses (insures that presence is not redefined) Creates temporary commission to study Internet taxes Demand that foreign governments keep Internet free of taxes and tariffs Free of taxes for three years Can impose same tax regulations as phone or mail order Provisions extended through 2005

27 October 28, 200226 Success Factors Making a Profit Content What you have to say and offer Cannot be static News about product, scores, contest, searches Uniqueness Not offered elsewhere Difficult to obtain Self-help Search for product Order product Check the status of an order Track a delivery Community Provide sense of community Sharing between visitors Prizes Repeat business needed

28 October 28, 200227 B2C Business-to-Consumer Activity between business and individual User makes purchase based upon personal decisions Growing $38 billion in 1998 Over $800 billion by 2005 Global trend – more than ½ online sales will be outside US by 2004

29 October 28, 200228 B2B Business-to-Business Activity of one business providing another with materials and supplies Advantages to buyers Reduced costs of procurement Consider a larger number of suppliers Problems Security Antitrust concerns Growing $92 billion in 1998 $2 trillion in 2004

30 October 28, 200229 Internet Speed Traffic Not planned for current use Victim of its own success Original Internet Low-speed Text-based Limited sites Today’s Internet 100’s of Million of users Downloading high-volume multimedia data Causes slow transmission speeds Congestion on the links…

31 October 28, 200230 Internet Speed Impacts Business Large companies use T1 and T3 lines and have servers capable of thousands of concurrent visitors Smaller business connect via ISP or pay a company with high-speed connections to host their site

32 October 28, 200231 Internet Speed Solutions Increase bandwidth Satellite ISDN DSL Cable modem Increase backbone capacity Backbone – communication lines across geographical areas Advances in technology Investment in new facilities Change Internet access fees

33 October 28, 200232 Streaming Hear and see digitized content as it is downloaded Audio Video Animation Uses substantial bandwidth Quality of content Speed of connection Internet traffic Performance will improve as bandwidth improves Content is displayed using Plug-ins

34 October 28, 200233 Streaming RealPlayer Free download from RealNetworks Live radio Canned television shows

35 October 28, 200234 Sharing Files Unicasting Send multiple computers copies of files individually Wastes bandwidth as you are sending the same file over and over

36 October 28, 200235 Sharing Files Broadcast Send one copy of the file to every computer on the network Wasteful – some users do not need the file Compromises security Multicasting Send one copy of the file and it is directed only to the appropriate recipients

37 October 28, 200236 Push Technology Webcasting Software that sends (pushes) information from the Internet to a user’s PC Makes business active participants in providing information to users

38 October 28, 200237 Push Technology How it Works User provides consent by downloading and installing free push software User selects channels to receive User sets update schedule Push software goes to the Internet on schedule and downloads updated information for the channels

39 October 28, 200238 Push Technology Good or Bad? Time-saver for user; no browsing required Uses precious bandwidth to send graphics and advertising Excellent candidate for multicasting

40 October 28, 200239 Intranets Internal network Private to a certain company Easy and fast to setup Inexpensive

41 October 28, 200240 Intranet Setting it Up Same components as needed for Internet Computers for access Server TCP/IP Software including a browser

42 October 28, 200241 Intranet Web Pages for Employee Use Personnel data Internal job posting Corporate policy information Available training courses Cafeteria menu Notices from management

43 October 28, 200242 Intranet, Internet, Extranet Internet Public Intranet Private Can be linked to Internet Extranet Provide access to Intranet to selected customer and suppliers Replacing EDI

44 October 28, 200243 VPN Virtual Private Networks Use public Internet as a channel for private data communication Use the Internet to access the company network rather than private lines Sharing public lines Lower cost

45 October 28, 200244 VPN Benefits Lower operating costs Simplifies communications No 800 lines and long distance charges Reduces in-house management responsibilities Communication needs handled by ISP

46 October 28, 200245 VPN Technology Tunneling / encapsulation Transfer of data between two similar networks over an intermediate network Point-to-Point Tunneling Protocol (PPTP) – proposed protocol for tunneling Encloses packet of one protocol (PPTP) inside packet using different protocol (TCP/IP) Encryption Packets are encrypted before encapsulation Authentication software used

47 October 28, 200246 Consolidation of the Web Consolidation brings efficiency and uniformity Occurring quickly Large scale 1999 AOL purchased Netscape Conglomerates “moving in” will control the majority of what we see

48 October 28, 200247

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