ITM 102 Chapter Notes - Chapter 5: Antivirus Software, Networking Hardware, Legacy System
21 Mar 2013
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It infrastructure: set of physical devices and software required to operate the enterprise. Shared technology resources that provide the platform for the firm"s specific information system applications. Includes investments in hardware, software, and services such as consulting, education and training. Moore"s law and micro processing power: the doubling of processing unit of computer power in 18 months or more. This will make it more affordable and make the computer more efficient. The price of computing falls by half every 18 months. 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 every year. Metcalfe"s law and network economics: 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). Mainframes systems used as giant servers for enterprise networks and corporate web sites.
