Bus/210 Appendix E Hardware/Software Components

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Appendix E

Hardware/Software Components

In your own words, describe the following hardware/software components

|Legacy systems |Legacy systems are the existing IT systems, which include all hardware and software | | |that a company uses. Legacy systems are usually maintained and upgraded by a company’s| | |chief information officer (CIO), but the large IT companies that design these systems | | |often offer custom systems, designed for the company purchasing them, as well as | | |training in inputting data and proper use. | |Mainframe computers |The mainframe computer is the grandfather of today’s computer systems. Mainframe | | |computers often serve as the center of a company’s information storage and processing.| | |All computer systems that came after, from word-processors to desktop personal | | |computers (PCs), were birthed in attempts to simplify or progress the functions of the| | |mainframe. The idea to connect secretaries and clerks to the mainframe through remote | | |terminals, was probably the concept that later became the process of computer | | |networking. | |Microprocessors |Microprocessors were the first “computer in a chip”; that is that they could stand | | |alone without being connected to a larger system. In the...
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