EXAMPLESAttributes of Information

OverviewInformation Systems help companies achieve their goals.

How do they do it?

By processing raw data into informationIS can add value to information by enhancing the attributes (11 of them).

UsabilityDeliveryRelevantSimpleFlexibleEconomical

TimelyAccessibleSecure

11 Attributes of InformationQualityAccurateVerifiableCompleteReliable

Information SpectrumData processing Information Information intelligence Knowledge Knowledge experience Wisdom

Often confusedMy calculator always does multiplication correctly in never makes an error. My calculator is __________What attribute is described?However, I dropped it in the sink and sometimes it wont turn on.My calculation is not _________What attribute is described?

Accuracy vs. ReliabilityAccuracy true, free from errorPrecision refers to the level of accuracy1/3 = 1.333 is accurate1/3 = 1.333333 is more preciseReliability in IS, it refers to how often information is accurate.An information source could be error free but might not work all the time.

Weather ForecastingAre weather-persons reliable,accurate,both, or neither?

Accurate vs. ReliableWeatherman A can predict tomorrows temperature to the exact degree but only 40% of the time. other 60% he cannot interpret the raw dataWeatherman B can predict tomorrows temperature but it may be off by 5 degreesBut, his system works 95% of the timeWho is more accurate?Who is more reliable?

TPS transaction processing systemI put the TPS reports on the website so everyone can access them.This makes the TPS reports more ________.

The TPS reports are PDF files which cannot be modifed easily, so we also provide the TPS data in standard XML format which can be converted to any other format.The XML format is more ___________.

Some attributes are enemies!My student evaluation report includes 23 answers from all 31 students. Its hard for me to tell if my evaluations are good or bad, but at least the data is __________.The student evaluation report includes only my average score, which is very _______ and easy to interpret, but Id like all the data.

Examples StoriesWater TestingGE PCB Dredging1930s stock tips

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