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南京信息工程大学2012-2013学年第1学期《Designed by Users基于用户设计》期中试卷及答案
True-False Question. (10%)
A communication diagram captures time-ordering of sequences of interactions in a system.( F )
A statement of project scope is an integral part of a baseline project plan’s introduction section.( T)
In UML use case diagrams, actors exist outside the system that is being modeled.( T )
The goal of normalization is to produce well-structured relations.( T )
In sequence diagrams, a focus-of-control bar represents a period of time during which an object performs an action.( T )
Choice Question (20%)
The programs that are designed to support organizational functions or processes such as inventory management, payroll, or market analysis are called: (d )
systems analysts.
transaction processing systems.
systems software.
application software.
Which of the following tasks is most likely to be performed during the project management and planning phase of the systems development process?( a )
Performing a feasibility analysis
Requirements determination
Deciding which programming languages to use
Constructing user documents and training manuals
Which of the following is primarily concerned with process modeling?( c )
Unified Modeling Language
Entity-Relationship models
Data Flow Diagrams
Rational Unified Process
A defining characteristic of encapsulation is that:( c )
properties of the parent class also exist in the child class.
specific objects are grouped into broader categories.
implementation details of attributes and methods are hidden.
related classes are grouped into packages.
A network diagram is appropriate if you want to see: (C )
division of tasks into subtasks.
degree of temporal overlap between tasks.
dependencies between tasks.
risk level of each task.
For a node with slack time: (a )
earliest estimated completion time precedes latest estimated completion time.
earliest estimated completion time exceeds latest estimated completion time.
earliest and latest estimated completion times are equal to each other.
earliest and latest estimated completion times have no relationship to each other.
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