bus210_appendix_e (1)

bus210_appendix_e (1) - The result was a computer as big as...

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Axia College Material Appendix E Hardware/Software Components In your own words, describe the following hardware/software components Legacy systems The hardware and software components of a company’s existing IT system are called its legacy system. A company makes a huge investment in its legacy system, one that can cost a multinational company billions of dollars to purchase and develop. Moreover, its IT managers, and managers and employees across the company, have spent an enormous amount of time to learn how to input data and use the system. Advances in IT frequently require a company to upgrade its systems, just as we as individual computer users have to upgrade our own systems from time to time. Mainframe computers The first modern computer, the UNIVAC, was developed in 1951 using vacuum-tube technology.
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Unformatted text preview: The result was a computer as big as a two-story house. Seven years later, Texas Instruments invented the integrated circuit. The integrated circuit allowed much smaller mainframes to be built. Instead of the size of a two-story house, each was about the size of a large living room. The computing power of the new mainframes was also many times greater. IBM ultimately became the leading developer of mainframe computers, and mainframes still serve as the center, or hub, of most companies information processing and storage systems. IBM also became the leading developer of the software that runs mainframes. BUS 210 Microprocessors PCs Network computers World Wide Web and Internet Wired and wireless broadband technology PC software Networking software Computer security software BUS 210...
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bus210_appendix_e (1) - The result was a computer as big as...

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