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Q. Classes of data items in a data dictionary?
There are three classes of data items in a data dictionary
1) Data element- It is the smallest unit of data that cannot be meaningfully decomposed further. Example- Employee number and so on.
2) Data structure is a group of data elements forms a data structure.
3) Data Flows as well as Data Stores- data flows are data structures in motion whereas data stores are data structures at rest.
What is meant by software change? Software change is termed as the change in nature of software as the requirements of software changes.
Q. Describe the Types of Structure Charts? Transaction structure it control module calls subordinate modules each of which handles a particular transaction Many afferent
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Coupling and Cohesion Data coupling - The data coupling is possible by parameter passing or data interaction. Control coupling - The modules share related control data
Describe various types of Cohesion? i. Coincidentally cohesive -The modules in which the set I\of tasks are linked with each other loosely then these modules are called coincid
Ask Create an XML file with markup tags and some sample data to represent a list of invoices.
Explain the design steps in transaction mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transfo
What is data modeling? Data modeling is the basic step in the analysis modeling. In data modeling the data objects are explained independently of processing. The data model sho
What is architectural evolution? Architectural evolution is the practice of modifying a system from a centralized architecture to a distributed architecture like client server.
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
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