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RAD Model
Phases
What is Big-bang waterfall model? Big bang Model of S/w development is based on the big bang theory. A huge quantity of people, money and time are put together, lot of energy
When to Re-Engineer? When the system alter are mostly confined to part of the system then re-engineer that part. When hardware or software support becomes obsolete.
The aim of regression testing is to test that the fixes have not formed any other problems elsewhere. The aim is to ensure the software has remained intact. A baseline set of data
#use case diagram for car manufactures by considering build and price of car as use case#
What is System Engineering? System Engineering means designing, executing, deploying and operating systems which contain software, hardware, and people.
Explain the design principles. The design process should not endure from tunnel vision. The design should be traceable to the analysis model. Design should not re
What is data modelling? Data modeling is the basic step in the examine modeling. In data modeling the data objects are examined independently of processing. The data model s
System evolution of life cycle process The lifetime of verge systems is too long. They must evolve to meet change requests. The evolution may be expensive. Existing sy
Symbols of a data flow diagram 1. Data Flow Signifies the connectivity between various processes 2. Process Performs some processing of input data 3. Ex
Hoosier Burger''s food ordering system dfd and data dictionary
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