Which of the following types of maintenance accounts for as

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Reference no: EM13463087

1: Changing over from the old information system to a new one by turning off the old system as the new one is turned on best describes

A Phased installation

B Single location installation

C Parallel installation

D Direct installation

E Rotation installation

2: On a data-flow diagram, a diamond represents a process.

A True

B False

3: When designing the navigation procedures within your system, the primary concerns are

A The design of between-field navigation and the ability to provide feedback

B Grouping data fields into logical categories and assigning group labels

C Flexibility and consistency

D Formatting and meaningful labels

E Spacing and color differences

4: Functional decomposition is a repetitive process of breaking the description or perspective of a system down into finer and finer detail.

A True

B False

5: A ternary relationship is the equivalent of three binary relationships.

A True

B False

6: In a file-oriented information system, a security file ____.

A Stores relatively permanent data about an entity

B Is created and saved for backup and recovery purposes

C Stores records that contain day-to-day business and operational data

D Is a temporary file created by an information system for a single task

7: Which of the following types of maintenance accounts for as much as 70 percent of all maintenance activity?

A Preventive maintenance

B Corrective maintenance

C Adaptive maintenance

D Perfective maintenance

E Internal maintenance

8: In a typical file processing environment, ____ problems can occur if updates are not applied in every file.

A Rigid data structure

B Data integrity

C Referential integrity

D Data redundancy

9: The ease with which software can be understood, corrected, adapted, and enhanced best describes

A Maintenance

B Maintainability

C Adaptability

D Comfort level

E Installation

10: Which of the following influences most of the costs associated with maintaining a system?

A Maintenance personnel

B Documentation quality

C Number of latent defects

D Number of customers

E Tools

Reference no: EM13463087

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