COMMERCE 2KA3 Chapter Notes - Chapter 5: Java Virtual Machine, Web Services Description Language, Accenture
9 Apr 2013
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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: It management, standards, education, research and development services: service platform perspective more accurate view of value of investments. The real value of a pc is more apparent with knowing who will use it and how it will be used. Reviewing the evolution of corporate it infrastructure can offer some insight into where we are headed. Each of the following five stages represents a different configuration of computing power and infrastructure elements. General-purpose mainframe: highly centralized computing with networks of terminals, provide time sharing, multi-tasking, virtual memory, the first airline reservation system appeared in 1959, most elements of the infrastructure provided by a single vendor.
