Homework
Chapter 8 Basic Systems Concepts and Tools
ITM 6015
1) Which of the following is a type of control that is used to ensure the development of a high quality, reliable information system?
A) methodology standards
B) system testing
C) system backup
D) all of the above
Answer: D
Page Ref: 355
2) Which of the following elements usually includes subcomponents to filter, translate, store, and correct data that flows through it?
A) component
B) environment
C) storage
D) interface
Answer: D
Page Ref: 333
3) Using a payroll system as an example, paychecks and W-2 forms are examples of which of the following system elements?
A) outputs
B) inputs
C) storage
D) memory
Answer: A
Page Ref: 332
4) Which of the following is an example of a goal of hierarchical decomposition?
A) to take advantage of the simplicity of a system
B) to analyze or change only part of the system
C) to design and build each subsystem at the same time
D) to increase the interdependence of the system components
Answer: B
Page Ref: 332
5) A physical system description depicts ________ the system operaters, while a logical system description depicts ________ the system does.
A) how; what
B) how; why
C) what; how
D) why; what
Answer: A
Page Ref: 335
6) Which of the following system descriptions depicts the function and purpose (the what) of the system without reference to, or implications for, the actual way in which the system will be implemented?
A) functional system description
B) logical system description
C) physical system description
D) network system description
Answer: B
Page Ref: 335
7) Which is a basic principle of business process reengineering (BPR) suggested by Hammer ?
A) integrating information processing into the work that produces the information
B) building reengineering efforts around legacy systems
C) developing parallel processes for redundancy
D) escalating decision-making up an organizational hierarchy...