超星 - 第二章英文复习题

单选题

The ultimate goal of the design approach for the data structure is to arrive at a descript() of the data structure.

A. The data stream
B. The state transition
C. The process of the program
D. The data dictionary

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单选题

Structured analysis is essentially an activity of ()

Access the user
B. Create a quick prototype
C. Make decisions
D. Create a model

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单选题

The following statement about the data flow diagram is incorrect in ( )

All possible data flows and conditions for the data flow should be depicted in the data flow diagram
B. The basic point of a data flow diagram is to describe "what to do" regardless of "how to do"
C. A data flow diagram is a logical model of a system
D. One of the main uses of data flow diagrams is as a tool for analysis and design

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单选题

The task of the requirements analysis phase is to determine ( )

A. Software development methods
B. Software development tools
C. Software development costs
D. Software development capabilities

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单选题

The role of the software requirements specification does not include ( )

A. The basis for software acceptance
B. The basis of the software design
C. The basis of the software feasibility study
D. A common understanding between users and developers of what software does

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单选题

The correct description in the following tasks related to the requirements analysis phase is ( )

A. To answer "What does the software have to do?" "
B. A software requirements statement is required
C. System analysts can use interviews, simple application specifications technology to obtain user needs
D. That's all right

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单选题

The task of the software problem definition phase is ( )

A. Determine whether the system is worth developing
B. What are the specific functions of the system?
C. Identify the system's goals, size, and basic requirements
D. How exactly the system does

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单选题

The task of the requirements analysis phase is ()

A. Identify the system's goals, size, and basic requirements
B. Identify what the system must do
C. Be clear about what the system does
D. Study whether the system is worth doing

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单选题

The following options ()are the basic symbols of the data flowchart

A. External entities, data processing, data flow, and business processing units
B. External entities, data processing, data streams, and data storage
C. Description of external entities, information delivery processes, data flows, and business processing capabilities
D. External entities, data processing, data streams, and data file archives

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单选题

A data flowchart is a tool that describes ()an information system

A. The physical model
B. The logical model
C. Optimize the model
D. The decision model

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