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

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Presentation transcript:

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

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

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

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

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

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

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

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

Summary

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