A key advantage of developing a computer application by using the prototyping approach is that it:
A. Does not require testing for user acceptance.
B. Allows applications to be portable across multiple system platforms.
C. Is less expensive since it is self-documenting.
D. Better involves users in the design process.
One change control function that is required in client/server environments, but is not required in mainframe environments, is to ensure that:
A. Program versions are synchronized across the network.
B. Emergency move procedures are documented and followed.
C. Appropriate users are involved in program change testing.
D. Movement from the test library to the production library is controlled.
Which of the following is not a method for implementing a new application system?
A. Direct cutover.
B. Parallel.
C. Pilot.
D. Test.
An organization uses a database management system (DBMS) as a repository for dat Some of the
applications update the database.
Which of the following is the most important control related to the integrity of the data in the database?
A. The DBMS, in turn, supports a number of end-user developed applications which were created using fourth- generation programming languages.
B. End users have their read-only applications approved by the information systems department
C. Concurrency update controls are in place.
D. End-user applications are developed on personal computers before being implemented on the mainframe.
E. A hierarchical database model is adopted so that multiple users can be served at the same ti
A brand manager in a consumer food products organization suspected that several days of the point-ofsale data on the spreadsheet from one grocery chain were missing. The best approach for detecting missing rows in spreadsheet data would be to:
A. Sort on product identification code and identify missing product identification codes.
B. Review store identification code and identify missing product identification codes.
C. Compare product identification codes for consecutive periods.
D. Compare product identification codes by store for consecutive periods.
An organization is projecting sales of 100,000 units, at a unit price of $12. Unit variable costs are $7. If fixed costs are $350,000, what is the projected total contribution margin?
A. $350,000
B. $500,000
C. $850,000
D. $1,200,000
When applied to international economics, the theory of comparative advantage proposes that total worldwide output will be greatest when:
A. Each nation's total imports approximately equal its total exports.
B. Each good is produced by the nation that has the lowest opportunity cost for that good.
C. Goods that contribute to a nation's balance-of-payments deficit are no longer imported.
D. International trade is unrestricted and tariffs are not imposed.
All of the following are possible explanations for a significant unfavorable material efficiency variance except:
A. Cutbacks in preventive maintenance.
B. An inadequately trained and supervised labor force.
C. A large number of rush orders.
D. Production of more units than planned for in the master budget.
A capital investment project will have a higher net present value, everything else being equal, if it has:
A. A higher initial investment level.
B. A higher discount rate.
C. Cash inflows that are larger in the later years of the life of the project.
D. Cash inflows that are larger in the earlier years of the life of the project.
Which of the following performance measures would be appropriate for evaluating an investment center, which has responsibility for its revenues, costs, and investment base, but would not be appropriate for evaluating cost, revenue, or profit centers?
A. A flexible budget.
B. Variance analysis.
C. A contribution margin income statement by segment.
D. Residual income.
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