Comp Sci. Ch. 1, 3, 4

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Computer Science
Computer Science 1032A/B
Diane Goldstein

Chapter 1Information systemgroup of components that interact to produce informationFive component frameworkcomputer hardware software data procedures peopleSoftwarerefer only to programsComputer based information systeminformation systems including computersMIS Management information systemsdevelopment and use of information systems that help businesses achieve their goals and objectivesDevelopment and use information system business goals and objectivesGoals and objectivespeople within business who manage not the businessInformation technologyraw technology hardware softwareInformation systemincludes peopleIT must be combined with IS to be helpfulMoores Lawnumber of transistors per square inch on an integrated chip doubles every 18 monthsMoores Lawthe speed of a computer chip doubles every month Chapter 2Business process business systemnetwork of activities resources facilities information that interact to achieve some business functionActivitiestransform resources and information of one type into resources and information of another type Payment activity transforms quantity received and shipping invoicesupplier paymentResourcesitems of value milk check cash supplier customerFacilitiesstructures within business inventory database factories trucksInformationknowledge derived from data data presented in a meaningful context Informationdata processed by summing ordering averaging grouping comparing or other similar operationsAccurate informationcorrectcomplete data Timely informationproduced in time for its intended useRelevant informationcontext and to subject Just barely sufficient informationsufficient for the purpose for which it is generated but just barely soWorth its cost informationmake sure there is a benefitHardwarepeopleaction
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