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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
Q. Define Object and class associations? Object/class associations:- Objects/classes interact with each other. Multiplicity defines how many instances of one object/class can
Q. What is Data Dictionary? Ans Data dictionary is a stockroom of data giving information about data. It is a list of terms as well as their definition for all data items a
Difference between Verification and Validation Verification is Static whereas Validation is Dynamic. This means in Verification the s/w is inspected by looking into the code go
Explain some of the limitations of testing. Though testing is an significant part of system development and leads to a valid, verified and efficient system, it also faces some
What is software metric? A Software metric is a easy quantitative measure derivable from any attribute of the software life cycle (E.g.) LOC (Line Of Code) Function poin
Q. Explain the bath tub curve of hardware reliability? Ans: As indicated in the diagram below there are three phasing in the life of whichever hardware component that is burn
What are the characteristics of software measurement? Measured property Object of measurement Source of measure Purpose measurement Context of measurement.
justify the term software analysis and design?
Describe the effect of defining a prototype on the overall cost of the software project? The prototyping model: In this model, a prototype (an previous approximation of a fin
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