At which point are errors are most costly to correct?

1. At which point are errors are most costly to correct?

a. programming

b. conceptual design

c. analysis

d. detailed design

e. implementation

2. User acceptance testing is more important in an object-oriented development process than in a traditional environment because of the implications of the

a. absence of traditional design documents.

b. lack of a tracking system for changes.

c. potential for continuous monitoring.

d. inheritance of properties in hierarchies.

3. Which of the following sets of application characteristics of an accounting application might influence the selection of data entry devices and media for a computerized accounting system?

a. Timing of feedback needs relative to input, need for documentation of an activity, and the necessity for reliability and accuracy.

b. Cost considerations, volume of input, complexity of activity, and liquidity of assets involved.

c. Need for documentation, necessity for accuracy and reliability, volume of output, and cost considerations.

d. Relevancy of data, volume of input, cost considerations, volume of output, and timing of feedback needs relative to input.

e. Type of file used, reliability of manufacturer’s service, volume of output, and cost considerations.

4. What is the name given to the systems development approach used to quickly produce a model of user interfaces, user interactions with the system, and process logic?

a. neural networking

b. prototyping

c. reengineering

d. application generation

5. The PERT is combined with cost data to produce a PERT cost analysis to

a. calculate the total project cost inclusive of the additional slack time.

b. evaluate and optimize trade-offs between time of an event’s completion and its cost to complete.

c. implement computer-integrated manufacturing concepts.

d. avoid the problem of time variance analysis.

e. calculate expected activity times.