978-0133546231 Chapter 07 Part 3

subject Type Homework Help
subject Pages 7
subject Words 2036
subject Authors Joey F. George, Joseph S. Valacich

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82) If entity B is a mandatory participant, then:
A) the minimum cardinality of the relationship is two.
B) the minimum cardinality of the relationship cannot be defined.
C) the minimum cardinality of the relationship is one.
D) the minimum cardinality of the relationship is optional.
E) the join level is not null.
Classification: Application
83) A "many" maximum cardinality is noted on the E-R diagram by:
A) placing a crow's foot notation near the entity.
B) placing a zero through the line near the entity.
C) using a double ellipse near the entity.
D) placing two slash marks near the entity.
E) using brackets.
Classification: Concept
84) During which of the following steps will you bring the current phase to a close, prepare a
report and presentation to management concerning continuation of the project, and get ready to
move the project into design?
A) Designing the human interface
B) Requirements determination
C) Project initiation and planning
D) Alternative generation and selection
E) Requirements structuring
Classification: Concept
19
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85) A particular approach to developing an information system best describes:
A) design strategy.
B) problem statement.
C) requirements statement.
D) scope.
E) systems service request.
Classification: Concept
86) Enumerating different potential implementation environments that could be used to deliver
the different sets of capabilities occurs during the:
A) requirements structuring step of the analysis phase.
B) shaping alternative system design strategies phase.
C) testing step of the implementation and operation phase.
D) project initiation and planning step of the planning and selection phase.
E) designing the human interface step of the design phase.
Classification: Concept
87) In theory, if there are four sources of application software, two implementation
environments, and three sets of requirements, how many design strategies are possible?
A) 4
B) 24
C) 9
D) 2
E) 27
Classification: Application
20
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88) Which of the following is a true statement regarding midrange alternatives?
A) Midrange alternative design strategies often do not involve computer technology; instead they
focus on making paper flows more efficient or reducing redundancies in current processes.
B) Midrange alternative design strategies represent compromise solutions.
C) Functionality is the primary focus of midrange alternative design strategies.
D) Midrange alternative design strategies provide all the required functionality users demand
with a system that is minimally different from the current system.
E) Midrange alternative design strategies provide all the desired features using advanced
technologies that often allow the system to expand to meet future requirements.
Classification: Concept
89) Which of the following is a true statement regarding high-end alternatives?
A) High-end alternative design strategies often do not involve computer technology; instead they
focus on making paper flows more efficient or reducing redundancies in current processes.
B) High-end alternative design strategies represent compromise solutions.
C) Functionality is the primary focus of high-end alternative design strategies.
D) High-end alternative design strategies provide all the required functionality users demand
with a system that is minimally different from the current system.
E) None of the above are correct.
Classification: Concept
90) An ideal number of alternatives to generate is:
A) 3.
B) 2.
C) 4.
D) 5.
E) 7.
Classification: Concept
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91) The most conservative solutions in terms of the effort, cost, and technology involved in
developing a new system are the:
A) low-end solutions.
B) high-end solutions.
C) mid-range solutions.
D) constraint-dependent solutions.
E) requirements-dependent solutions.
Classification: Concept
92) The alternative that goes beyond simply solving the problem in question and focuses instead
on systems that contain many extra features users may desire is referred to as a:
A) low-end alternative.
B) high-end alternative.
C) quality-focused alternative.
D) requirements-dependent alternative.
E) constraints-dependent alternative.
Classification: Concept
93) Which of the following types of alternatives represent compromise solutions?
A) Low-end alternatives
B) High-end alternatives
C) Midrange alternatives
D) Requirements-dependent alternatives
E) Constraints-dependent alternatives
Classification: Concept
22
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94) The minimum requirements for the new system are called:
A) essential features.
B) desired features.
C) minimum features.
D) mandatory features.
E) designated features.
Classification: Concept
95) Features that everyone agrees are necessary to solve the problem or meet the opportunity are
called:
A) desired features.
B) essential features.
C) mandatory features.
D) minimum features.
E) requested features.
Classification: Concept
96) Identifying mandatory features by surveying users and other stakeholders who have been
involved in requirements determination would occur:
A) near the end of the analysis phase, after all requirements have been structured and analyzed.
B) near the end of the project identification and selection phase, after a formal request to conduct
a project to design and develop an information systems solution has been approved.
C) during the logical design phase, while detailed function specifications of all data, forms,
reports, screens, and processing rules for all aspects of the system are prepared.
D) during systems planning and selection.
E) during systems implementation and operation.
Classification: Concept
23
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97) Which of the following is a true statement?
A) Mandatory features screen out possible solutions; essential features are the important
capabilities of a system that will serve as the primary basis for comparison of different design
strategies.
B) Essential features screen out possible solutions; mandatory features are the important
capabilities of a system that will serve as the primary basis for comparison of different design
strategies.
C) Mandatory features screen out possible solutions; essential features are those that users could
live without.
D) Essential features screen out possible solutions; mandatory features are those that users could
live without.
E) Desired features screen out possible solutions; mandatory features are the important
capabilities of a system that will serve as the primary basis for comparison of different design
strategies.
Classification: Concept
98) Define the following key data modeling terms: entity, attribute, relationship, degree,
cardinality, and associative entity.
Classification: Concept
99) Discuss unary, binary, and ternary relationships.
Classification: Synthesis
24
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100) Contrast data modeling to process modeling and logic modeling.
Classification: Synthesis
101) Briefly identify the four entity-relationship diagrams that are produced and analyzed during
conceptual data modeling.
Classification: Synthesis
102) Briefly discuss generating alternative design strategies.
Classification: Synthesis
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