ITM 102 Lecture Notes - Lecture 5: Information Technology Management, Application Software, Minicomputer

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: Bob Hudyma

Document Summary

It infrastructure: the shared technology resources that provide the platform for the firm"s specific information system applications. Includes investment in hardware, software, and services, such as consulting, education, and training. Defining it infrastructure: set of physical devices and software required to operate enterprise, set of firm wide services including, computing platforms providing computing services, telecommunications services, data management services, application software services, physical facilities management services. It management, standards, education, research and development services. Evolution of it infrastructure: general-purpose mainframe and minicomputer era: 1959 to present, personal computer era: 1981 to present, client/server era: 1983 to present, enterprise computing era: 1992 to present, cloud computing and mobile computing era: 2000 to present. Technology drivers of infrastructure evolution: moore"s law and micro-processing power, the law of mass digital storage, metcalfe"s law and network economics, declining communications costs and the internet, standards and network effects.