Decision Support Systems - Exam 2 - Part 2 Q26. Clustering identifies groups of

Question

Decision Support Systems - Exam 2 - Part 2

Q26. Clustering identifies groups of data that share characteristics.
   a. true
   b. false

Q27. A data mart must be created directly from a data warehouse.
   a. true
   b. false

Q28. The highest level of detail supported by a data warehouse is its grain.
   a. true
   b. false

Q29. A data mart is like a data warehouse for a single department.
   a. true
   b. false

Q30. Information is organized data.
   a. true
   b. false

Q31. Sophisticated data mining systems can automatically discover knowledge in data warehouses by finding relationships that are hidden within the data.
   a. true
   b. false

Q32. Data warehouses can be tuned for access since they are nonvolatile.
   a. true
   b. false

Q33. User-developed DSS and end-user computing are essentially the same thing.
   a. true
   b. false

Q34. Prototyping helps both the decision-makers and DSS developers learn about decision-making.
   a. true
   b. false

Q35. Staffing the DSS project is completed after analysis has been completed.
   a. true
   b. false

Q36. Prototyping is also referred to as iterative design.
   a. true
   b. false

Q37. Organizations will typically only use one DSS generator as a means to control costs.
   a. true
   b. false

Q38. Determining the viability of an idea is completed as part of the analysis phase.
   a. true
   b. false

Q39. DSS tools are classified as either integrated or disintegrated.
   a. true
   b. false

Q40. Breaking a system into a series of versions that are sequentially developed is called phased development.
   a. true
   b. false

Q41. Integrated CASE tools are only used in the design and implementation phase.
   a. true
   b. false

Q42. Determining how a system will work is completed as part of the design phase.
   a. true
   b. false

Q43. Prototyping is the only adaptation of the SDLC.
   a. true
   b. false

Q44. Spreadsheet errors are rare in industry.
   a. true
   b. false

Q45. The waterfall method generally results in faster development time than prototyping for DSS development.
   a. true
   b. false

Q46. There are some risks involved in end-user developed DSS, but it is still worth doing because the user understands the problem best of all, and there are ready tools available.
   a. true
   b. false

Q47. Not having a committed project champion in management is one of the most important causes of DSS implementation failure.
   a. true
   b. false

Q48. The Lewin-Schein change theory is only useful for introducing departmental change to an organization.
   a. true
   b. false

Q49. Case tools that assist in the analysis phase are called lower CASE.
   a. true
   b. false

Q50. The waterfall development approach essentially works like water, it only flows downward.
   a. true
   b. false

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