ITM 102 Study Guide - Midterm Guide: Ibm Mainframe, Chrome Os, Cloud Computing

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: Bharat Shah

Document Summary

Set of physical devices and software required to operate an enterprise. Service include: computing platforms providing computing services, physical facilities management 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 and mobile computing: 2000 to present. Moore"s law a(cid:374)d (cid:373)i(cid:272)ropro(cid:272)essi(cid:374)g power--computing power doubles every 2 years, nanotechnology. Law of mass digital storage--the amount of data being stored each year doubles. Metcalfe"s law a(cid:374)d (cid:374)etwork e(cid:272)o(cid:374)o(cid:373)i(cid:272)s--value or power of a network grows exponentially as a function of the number of network members. Declining communication costs and the internet growth of size in internet. Computer hardware platforms: client machines-desktop pcs, laptops, mobile computing: smartphones, tablets, desktop chips vs. mobile chips. Ibm mainframe: digital workhorse for banking and telecommunications networks. Client level: microsoft windows, android, ios, windows 10 (mobile/multitouch), google"s chrome os (cloud computing )