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

Explain the software quality assurance, Software Quality Assurance and Soft...

Software Quality Assurance and Software Quality Control SQA verifies if the process that is followed to form a product is effective and does not have process defects while SQC

SQA, Explain an error checklist for inspection in detail.

Explain an error checklist for inspection in detail.

Explain metric, Explain Metric? Ans) The measure of the extent or degree...

Explain Metric? Ans) The measure of the extent or degree to which a product possesses and exhibits a particular quality, property, or attribute.

What is cmm and cmmi, CMM = 'Capability Maturity Model', now known as the C...

CMM = 'Capability Maturity Model', now known as the CMMI ('Capability Maturity Model Integration'), developed by the SEI. It's a model of five levels of process 'maturity' that ver

What are the rules for making DFD, What are the Rules for making DFD   ...

What are the Rules for making DFD   The below factors must be considered when making DFDs:  1.   Keep a note of all processes and external entities. Give unique names to th

Illustrate iterative waterfall model, Iterative waterfall model The ite...

Iterative waterfall model The iterative waterfall model is as shown in the following figure. Requirement gathering phase in which all needs are identified. The design

Determine the process of software coding, Determine the process of software...

Determine the process of software Coding The input to coding phase is the SDD document. In this stage, design document is coded according to module specification. This phase t

Explain the term- silktest host and silktest project, Explain the term- Sil...

Explain the term- SilkTest Host and  SilkTest Project SilkTest Host - SilkTest component which manages and executes test scripts. It generally runs on a machine different t

What is requirement elicitation methods, Q. What is requirement elicitation...

Q. What is requirement elicitation methods? Subsequent to receiving the problem statement from the customer the first step is to arrange a meeting with the customer. During the

Define system modeling, Define System Modeling? Explain the processe...

Define System Modeling? Explain the processes that serve requirements of the view under consideration. Shows the behaviour of the processes and the assumptions on which t

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