Software Design and Implementation

Implementation Stage Goal

1 pts

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The implementation stage of software development is the process of:

Testing the system with customer data

Maintaining software after it has been deployed

Gathering and documenting user requirements

Converting a system specification into an executable system

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Software Design Definition

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A software design is a description of the structure of the software to be implemented. Which of the following are part of what a software design describes? Select all that apply.

The interfaces between system components

The algorithms used

The source code line count

The marketing plan for the software

The data models and structures used by the system

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Design Process Nature

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Which statement best describes how designers arrive at a finished design?

Designers develop the design iteratively, adding formality and detail with constant backtracking to correct earlier designs

Designers produce a complete, perfect design immediately at the start

Designers only produce design documents when using agile methods

Designers follow a strict checklist that guarantees a correct design on the first attempt

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Four Design Activities

1 pts

Please drag and drop the options to sort them

This figure shows four activities that may be part of the design process for information systems. Sort them into the correct logical in terms of dependency and logical approach.

Interface design

Database design

Architectural design

Component design

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Interface Design Importance

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Why must an interface specification be unambiguous during interface design?

So the feasibility study can be completed faster

So the database schema can be auto-generated

So a component can be used without other components having to know how it is implemented, enabling concurrent development

So the marketing team can understand the system

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Platform Information as Design Input

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Complete the following sentence.

The software platform — comprising the operating system, database, middleware, and other application systems — is an essential input to the design process because designers must decide how best to (1) the software with its environment, and information about the platform constrains choices of (2).

Please drag and drop the selected option in the right place or type it instead

architecture

integrate

read

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Design Outputs — Agile vs Critical Systems

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How do design outputs differ between agile methods and critical systems development?

Agile methods produce more documentation than critical systems

Both always produce the same level of design documentation regardless of method

Critical systems use no design documents; only agile methods produce them

For critical systems, detailed design documents must be produced; in agile methods, outputs may be represented in the code of the program rather than separate specification documents

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Debugging vs Testing

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Testing and debugging are different processes. Match each term to its correct description.

To complete the line match

Click on an item in the first group
Click on the match in the second group

To delete a match, double click on a line

Process

Testing

Debugging

Description

Establishes the existence of defects in a program

Concerned with locating and correcting those defects

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Model-Driven Development

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What is the key emphasis of Model-Driven Development (MDD) compared to earlier structured methods?

Replacing the programming language with natural language descriptions

Complete elimination of any design documentation

Greater emphasis on architectural models with a separation between abstract implementation-independent models and implementation-specific models

Greater emphasis on writing unit tests before code

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Programming as a Personal Activity

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True or False: According to Sommerville, there is a general, universally followed process for programming that all software developers adhere to.

True

False

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Implementation Stage Goal

Correct Answer

Explanation

Software Design Definition

Correct Answer

Explanation

Design Process Nature

Correct Answer

Explanation

Four Design Activities

Correct Answer

Explanation

Interface Design Importance

Correct Answer

Explanation

Platform Information as Design Input

Correct Answer

Explanation

Design Outputs — Agile vs Critical Systems

Correct Answer

Explanation

Debugging vs Testing

Process

Description

Correct Answer

Explanation

Model-Driven Development

Correct Answer

Explanation

Programming as a Personal Activity

Correct Answer

Explanation

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