ITM 100 Lecture Notes - Lecture 5: Ibm Global Services, Network Operating System, Application Server

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 100
• Professor: Mahmoud Jahani

Document Summary

It"s the shared te(cid:272)h(cid:374)olog(cid:455) resour(cid:272)es that pro(cid:448)ide the platfor(cid:373) for the fir(cid:373)"s spe(cid:272)ifi(cid:272) i(cid:374)fo system applications. Includes investments in hardware, software, & services (consulting, training, education. It consists of a set of physical devices and software applications that are required to operate the entire enterprise. It"s also a set of firm-wide services budgeted by management comprising both human and technical capabilities, such as: There"s been 5 stages in computing platforms who are: general-purpose mainframe and minicomputer era (1959-present) Ibm 401 and 7049 in 1959 marked the start of the usage of mainframe computers. Ibm 360 was the first commercial computer. The mainframe era was a period of highly centralized computing under the control of professional programmer and system operators. The ibm pc in 1981 is considered the beginning of the pc era. This era began person desktop productivity tools that were valuable to home & corporate users: client/server era (1983-present)