How abstraction used in stepwise refinement, Software Engineering

Assignment Help:

Q. How Abstraction used in stepwise refinement?

Abstraction:- Abstraction permits one to concentrate on a problem at some level of generalization without regard to irrelevant low level details employ of abstraction also permits one to work with concepts and terms that are familiar in the problem environment without having to transform them to an unfamiliar structure.

  • It permits considering the modules at the abstract level without worrying about its details.
  • It offers external behaviour of the modules.
  • It is utilized for existing modules as well as for modules that are being design.
  • It is necessary for the problem partitioning.

 


Related Discussions:- How abstraction used in stepwise refinement

Distinguish between verification and validation, Distinguish between verifi...

Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re

What are repositories used by qtp to store object properties, What are repo...

What are repositories used by QTP to store object properties? QTP uses two kinds of repositories to store object properties. a.) Shared object repository: A global object

What is a software version, What is a software version? A software versi...

What is a software version? A software version is a start release (or re-release) of a software associated with a done compilation (or recompilation) of the software.

What is delphi model, What is Delphi model? In Delphi method, a number ...

What is Delphi model? In Delphi method, a number of parameters to be considered based on as experts estimates. The group estimate is taken as on  an average of the weighted

What is test log, What is Test log? A chronological record of all releva...

What is Test log? A chronological record of all relevant details about the implementation of a test.

Explain throw-away prototyping and evolutionary prototyping, Q. Explain thr...

Q. Explain throw-away prototyping and evolutionary prototyping. Discuss the differences between the two. Ans Throw-Away Prototyping as well called close ended prototyping .

What is fault tree analysis, What is Fault Tree Analysis? Ans) A form of...

What is Fault Tree Analysis? Ans) A form of safety examines that assesses hardware safety to give failure statistics and sensitivity analyses that point to the possible effect o

Important issues that a srs must address, The important issues that a SRS m...

The important issues that a SRS must address are:  (a) System goals and requirements are different (b) Request Definition (c) Request Specification (d) Software Specif

Determine the characteristics of software, What are the characteristics of ...

What are the characteristics of Software? Software is engineered or modified; it is not manufactured in the traditional sense. Software is free of wear out. Though the

Mention some of the design principles, Mention some of the Design principle...

Mention some of the Design principles. The design process should not vary from tunnel vision. The design should not reinvent the wheel. The Design should exhibit unifo

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd