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INFORMATIONAL SYSTEM: an interacting structure of people, equipment, and procedures which together make relevant information available to management (and other entities) for the purposes of planning, implementation, control. Goal: provide to management information that conforms to these 4 factors: -quality -completeness -timeliness -relevance CIO-chief information officer—very important Hardware: comprises all of physical parts of info techn, as distinguished from the data it contains or software that provides instructions of hardware to operate. --can be classified as internal or field based. Internal Hardware Mainframes: handle thousands of concurrent transactions & share huge amounts of data with users. Workstations: a client computer that is connected to a server or mainframe from which it obtains data. Field Based Hardware: Field Data Collection Software: every area of business 2 operating systems dominate business: 1. Windows: handles the functionality 2. Unix: handles the backbone of IS Symbologies: language a computer can read; evolving more sophisticated forms including radio frequency tagging, contact memory, and biometrics. Telecommunications/Network/Telephony Supplies IS connectivity betw all areas of business LAN: local area network—connect systems w/in a system location. WAN: wide area network—connect systems over a large area.
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This note was uploaded on 04/19/2008 for the course ECON 201 taught by Professor Shea during the Fall '08 term at Maryland.

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