What is mean by sdlc and expalin spiral model and proto type
model?

Answer Posted / joe

SDLC MEANS SOFTWARE DEVELOPMENT LIFE CYCLE.
IN THIS WE HAVE FOUR MODELS
1.WATERFALL MODEL
2.PROTOTYPING MODEL
3.EVOLUTIONARY DEVELOPMENT MODEL
4.SPIRAL MODEL
5.SYNCHRONIZE-AND-STABILIZE MODEL

PROTOTYPE MODEL: THIS MODEL IS APPLICABLE FOR THE COMPANY
WHEN THE USER CUSTOMER REQUIRMENTS ARE NOT CLEAR.WHEN THE
PROTOTYPE IS DEMONSTATED TO THE USER,THE USER GETS CLARITY
OF THE FUNCTIONALITY OF THE SOFTWARE AND SUGGETS REQUIRED
MODIFICATIONS.
PROTOTYING IS GENERALLY REQUIRED TO OBTAIN USER INTERFACE
REQUIRMENTS,BASED ON THE FEEDBACK, A MORE ACCURATE SRS
DOCUMENT CAN BE PREPARED AND THE DEVELOPMENT WORK CAN
START,USING THE WATERFALL MODEL.

SPIRAL MODEL: THIS MODEL IS APPLICABLE FOR THE COMPANIES
WHEN THE USER REQUIRMENTS ARE INCOMPLETE.IN THE FUTURE,THEY
MAY GET SOME REQUIRMENTS.THIS IS USEFUL FOR HIGH-RISK
PROJECTS.
EACH LOOP IN SPIRAL REPRESENTS A DEVELOPMENT PHASE
1.PLANE THE NEST PHASE
2.OBJECTIVES ALTERNATIVES CONSTRAINTA
3.SRS
4.DESIGN
5.DETAILED DESIGN
6.EXECUTION
7.RISK ANALYSIS EVALUATION OF ALTERNATIVES
EACH LOOP IS SPLIT INTO FOUR SECTIONS,ONE FORM HAS TO BE
FILLED CONTAINING THE FOLLOWING
A. TO DETERMINE THE OBJECTIVES,ALTERNATIVES,AND CONSTRAINTS
B. RISK ANALYSIS ABD EVALUATAION OF ALTERNATIVES
C.EXECUTION OF THAT PHASE OF DEVELOPMENT
D. PLANNING THE NEXT PHASE

Is This Answer Correct ?    12 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What and why is api testing?

948


Can any one say me how to do Performance testing step by step plz for a desktop application(offline application).all the data is stored in internal server itself can any plz help me. ts quite urgent friends.

1498


How can a LOG for testcases be maitained which can give information about a TestCase that is it new one or has been occured in previous versions of the software.

1598


What is positive and negative testing?

674


How quickly we need to fix the bug?

700






What is integration level testing?

704


How will u decide test data to see that evey feature is thoroughly tested

1585


Can you please explain me how to do testing of an E-insurance project end to end process..

2208


Explain Single View Testing ?

998


Hi All I want discuss abt Testing tools is any one available online in google chat?

1595


Do you think tools are required for managing change. Explain and please list some tools/practices which can help you managing change.

1647


Do you know anything about Set Top Boxes?

9268


If client give you a project then which testing you will perform first

715


Build with fixes has been deployed on QA environment if asked by your manager to reproduce how can you reproduce the issues? (by using the previous build) Can you access the previous build? If so ,what are the tools or how can you access?

1457


There are some features to improve the performance of a Product. What are those factors?

1611