1. Developments in the Application of Information Technology in Business Raphael Greenberg CIS 590

2. The emergence of information technology Late 1950’s thru 1960’s - Silicon chips & Integrated Circuits Early 1970’s - Microprocessors Early 1980’s - Micro-computers

4. End-user Computing Key Changes: 1.User exposure 2.Economics 3.Convergence

5. New approaches to system development Linear Cyclical Causes: Exponential effect of faults Exponential effect of faults Constant change in specifications Constant change in specifications Maintenance in saturated environment Maintenance in saturated environment

6. Changes Quality assurance, quality control, quality management High user involvement Unified development

7. New types of systems Decision support systems Email Tele- & video-conferencing Voice, text, and image processing Shift from provision of data to provision of information and speeding up information flows

8. Important new roles for information systems Information centers (support/mgmt) System strategy / Strategic system planning Increase business competition - build barriers against new entrants - change the basis of competition - change balance of power - suppliers - tie in customers - switch costs - create new products/services

9. New Developments Object-oriented programming/design Client-server architecture Data communications Image processing Multimedia applications E-commerce

10. Summary