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Application Design:
Micro CDS/ISIS is a text oriented software package. It is a good , ho ice if one wishes to store textual data, retrieve the data by certain criteria, and display or print the data in a convenient user defined format. A machine-readable library catalogue is c of its typical applications. All the data describing a book or any other document is stored the form of a record and all such records are stored in the form of master file. In the same manner, we can store data pertaining to any entity such as plants, persons, institutions. etc. The machine-readable master file is known as a database. While designing a database, the data elements and their corresponding characteristics must be specified. In a bibliographical database, one can specify data elements such as
i) author names
ii) titles
iii) publication data
iv) subject descriptors, etc.
Q. Illustrate Partitioning in stepwise refinement? Problems are frequently too large and complex to be understood as a whole. Therefore we tend to partition such problems into
What is cyclomatic complexity? Cyclomatic complexity is given by McCabe. The general formula to compute cyclomatic complexity is M=V (G)=E - N + 2P Where E-Number of e
Define Process Specification. Process Specification is used to explain all flow model processes that appear at the final level of refinement. Check & Convert pressure Ch
Q. How Abstraction used in stepwise refinement? Abstraction:- Abstraction permits one to concentrate on a problem at some level of generalization without regard to irrelevant l
What is requirement engineering? Requirement engineering is the process of establishing the services that the customer needs from the system and the constraints under which it
State the technique Pilot used in software engineering With this approach, new system is introduced into one part of the company (for example into one warehouse of a supermark
What are the various testing strategies for conventional software? i. Unit testing ii. Integration testing. iii. Validation testing. iv. System testing.
What are the Rules for making DFD The below factors must be considered when making DFDs: 1. Keep a note of all processes and external entities. Give unique names to th
What does data modelling means? Data modelling is the first step in the analysis modelling. In data modelling the data objects are checked independently of processing. The data
what are the steps to solving transportation cost with least cost method
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