ITM 100 Lecture Notes - Lecture 5: Bell Canada, Infosys, Western Digital

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 100
• Professor: Robert Hudyma

Document Summary

It infrastructure: the shared tech(cid:374)ology resources that pro(cid:448)ide the platfor(cid:373) for the fir(cid:373)"s specific information system applications. Includes investment in hardware, software, and services, such as consulting, education, and training. Evolution of it infrastructure: general-purpose mainframe and minicomputer. Moore"s la(cid:449) a(cid:374)d microprocessi(cid:374)g po(cid:449)er: has been interpreted as: The power of microprocessors doubles every 19 months. The price of computing falls by half every 18 months: nano technology uses individual atoms and molecules to create computer chips and other devices. The law of mass digital storage: the amount of digital information is roughly doubling every year, the cost of storage is falling at an exponential rate of 100 percent per year. Metcalfe"s la(cid:449) a(cid:374)d net(cid:449)ork eco(cid:374)o(cid:373)ics: the value of a network grows exponentially as a function of the number of network members. Computer hardware platforms: client machines (desktops, laptops, and pdas, server machines. Server farms: mainframes systems used as giant servers for enterprise networks and orporate web sites.