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What are the various elements of data design?
i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are translated into data structures and data bases at the request level.
iii. Data warehouses - At the business level useful information is identified from several databases and the data warehouses are formed.
Question: a) Briefly describe the principles of the DSDM methodology. b) What are the advantages of using the DSDM methodology? c) The MOSCOW technique is used to priori
What is the use of a data flow diagram? A data flow diagram is used to represent the functional view of an application domain. It represents all the significant business proces
What are the common activities in design process? i. System structuring - The system is subdivided into principle subsystems components and communications among these subsystem
Explain the process of Black box testing This is applied during the later stage of testing. It enables software developer to derive a set of input conditions which will fully
Explain the Various phases of SDLC Various phases of SDLC are defined as below: Requirements Analysis Design Coding Software Testing Maintenance.
What is data dictionary entry explain
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Define software process. Software process is explained as the structured set of activities that are needed to develop the software system.
What does data object means? Data object is a group of attributes that behave as an aspect, quality, characteristic or descriptor of the object.
Illustrate exploratory testing. - In exploratory testing approach testers are involved in maximum test execution and minimum planning. - Planning includes creation of a test
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