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Describe the various elements of data design?
i. Data object - The data objects are identified and relationships among various data objects are represented using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are changed into data structures and data bases at the application level.
iii. Data warehouses - At the business level useful information is identified from various databases and the data warehouses are created
What is meant by software prototyping? Software prototyping is a process of producing a model for the software product. This is developed based on the recently known requiremen
What are the challenges in software? Copying with legacy systems. Heterogeneity challenge Delivery times challenge
What is Validation represent? Validation means a set of deeds that ensure that the software that has been built to satisfy the customer requirements.
A store is in the business of selling paints as well as hardware items. A numeral of reputed companies supplies items to the store. New suppliers are able to also register with the
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
Explain a variable? "Variables" are data items in a program whose values can change.
An integration testing methods that tests the high-level components first using stubs for lower-level known as components that have not yet been integrated and that stimulate the n
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
Define KPAs level associated with maturity model KPAs are defined by SEI and associated with different maturity levels. These are described below: Level 1 KPAs : There is
Software life cycle starts when a software product is first conceived and ends when it is no longer in use. It contains aspects such as initial concept, requirements analysis, inte
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