What is a software process?

A structured set of activities required to develop a software system. Many different processes exist, but all involve specification, design and implementation, validation, and evolution.

What are the universal process activities inherent to all software engineering methodologies?

Specification, design and implementation, validation, and evolution. (Generic framework activities: communication, planning, modeling, construction, deployment.)

What is a software process model?

An abstract representation of a process that describes it from some perspective. Descriptions may also include products, roles, and pre- and post-conditions.

List 3 generic process models that are used in software engineering?

Waterfall, incremental development, and integration and configuration (textbook). The slides also cover the V-model and evolutionary models (prototyping, spiral).

Why are iterations usually limited when the waterfall model is used?

Each phase must be complete and approved before the next begins, and the emphasis on documents and specifications makes going back costly. Its inflexible stages make responding to change difficult.

What are three benefits of incremental development, compared to the waterfall model?

1) Lower cost of accommodating changing requirements (less analysis and documentation redone). 2) Easier customer feedback. 3) More rapid delivery and deployment of useful software.

What are the development stages in integration and configuration?

Requirements specification, software discovery and evaluation, requirements refinement, application system configuration, and component adaptation and integration. (Textbook, not in slides.)

Why is it increasingly irrelevant to distinguish between software development and evolution?

Fewer and fewer systems are completely new. Software is inherently flexible and must keep changing as business circumstances change, so most work modifies existing systems.

What are the advantages of using incremental development and delivery?

1) Lower cost of accommodating changing requirements. 2) Easier customer feedback on work done. 3) More rapid delivery and deployment, so customers gain value earlier than with waterfall.

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CS 3354 Test 1 CH2

Question	Answer
What is a software process?	A structured set of activities required to develop a software system. Many different processes exist, but all involve specification, design and implementation, validation, and evolution.
What are the universal process activities inherent to all software engineering methodologies?	Specification, design and implementation, validation, and evolution. (Generic framework activities: communication, planning, modeling, construction, deployment.)
What is a software process model?	An abstract representation of a process that describes it from some perspective. Descriptions may also include products, roles, and pre- and post-conditions.
List 3 generic process models that are used in software engineering?	Waterfall, incremental development, and integration and configuration (textbook). The slides also cover the V-model and evolutionary models (prototyping, spiral).
Why are iterations usually limited when the waterfall model is used?	Each phase must be complete and approved before the next begins, and the emphasis on documents and specifications makes going back costly. Its inflexible stages make responding to change difficult.
What are three benefits of incremental development, compared to the waterfall model?	1) Lower cost of accommodating changing requirements (less analysis and documentation redone). 2) Easier customer feedback. 3) More rapid delivery and deployment of useful software.
What are the development stages in integration and configuration?	Requirements specification, software discovery and evaluation, requirements refinement, application system configuration, and component adaptation and integration. (Textbook, not in slides.)
Why is it increasingly irrelevant to distinguish between software development and evolution?	Fewer and fewer systems are completely new. Software is inherently flexible and must keep changing as business circumstances change, so most work modifies existing systems.
What are the advantages of using incremental development and delivery?	1) Lower cost of accommodating changing requirements. 2) Easier customer feedback on work done. 3) More rapid delivery and deployment, so customers gain value earlier than with waterfall.

Created by: desto

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