信息系统3
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Launching Information Technology Applications Projects
True-False Questions 1. A system that stands alone and is not interconnected with other companies or shared by other people is called a personal system.
Answer: T 2. Enterprise systems are generally shared systems, meaning systems in which two or more users share computers, communications networks, and applications.
Answer: T 3. In the early days of IT, information technology was synonymous with single-user systems. Answer: F Large computers and vast communication networks
4. When properly designed, IT applications improve productivity, effectiveness, and profitability. Answer: F Improved productivity,greater effectiveness,increased creativity
5. Commonly used input measures for productivity include hours of work required to complete a task, management time, equipment investment, number of reports produced, and total project budget.
Answer: F Number of report---consulting service,art supplies
6. Productivity gains from working faster come at the expense of quality. Answer: F Should not
7. Personal systems and enterprise systems improve individual productivity when they help people do the right things.
Answer:T 8. Innovation is the result of successfully exploiting creative ideas. Answer: T 9. Project management is the process of examining a business situation; designing a system solution to improve that situation; and acquiring the human, financial, and IT resources needed to develop and implement the solution.
Answer:F P440
10. A project proposal will answer questions such as how much it will cost to solve the problem. Answer: F 11. System analysts are responsible for doing the technical work of designing the system and its software.
Answer: F P441
12. Programmer/analysts are responsible for working with users to determine a system’s requirements and to describe the features needed in the system.
Answer:F P441
13. A project is judged technically feasible if it will meet the business’s operating requirements and will have a desirable effect on the company.
Answer: F P443
14. Reengineering is often most successful when company personnel are able to take a fresh look at how they carry out activities.
Answer: F 15. An essential component of the Toyota production system is what is known as inventoryless production.
Answer: F 16. A system’s design is the set of details that describe how the system will meet the requirements identified during requirements determination. Answer: T 17. A prototype is a working model of an IT application that, compared to a complete system, is relatively inexpensive to build.
Answer: T 18. The principal activities of the implementation phase of the SDLC are the acquisition of software and services, computer programming, and testing.
Answer: F 19. The important aspects of implementation are (1) training, (2) site preparation, and (3) conversion strategies.
Answer: T 20. An implementation strategy is a description of all the activities that must occur to change over to a new system.
Answer: T 21. The disadvantage of the parallel systems strategy is that it may give the impression that the old system is unreliable and not error-free.
Answer: F 22. The pilot conversion strategy is often used when the new system involves new business methods or drastic changes in work processes.
Answer: T
Multiple Choice Questions 23. A system that stands alone and is not interconnected with other companies or shared by other people is called a:
a. personal system. b. single-user system. c. multiuser system. d. client/server system. e. Both a and b.
Answer:e 24. Single-user systems are usually composed of: a. a PC or workstation. b. input and output devices. c. network operating systems. d. All of the above. e. Both a and b.
Answer:e 25. Single-user systems are usually composed of: a. a PC or workstation. b. input and output devices. c. programs. d. All of the above. e. None of the above.
Answer: d 26. Personal systems: a. are also called single-user systems. b. are cost-effective. c. free their users from time-consuming routines and procedures. d. All of the above. e. Both a and b.
Answer: d 27. Enterprise systems: a. usually involve the same types of components as personal systems. b. include servers, databases, and networks. c. are generally shared systems. d. Both a and b. e. Both b and c.