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Explain the prototyping approaches in software process.
Two approaches
i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepared and it is then refined by number of stages to final stage.
ii. Throw-away prototyping - Using this approach a rough practical executionof the system is produced. The requirement problems can be identified from this execution. It is then discarded. System is then developed using some disimilar engineering paradigm.
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
Internal Interrupt Cause because of illegal or erroneous use of an instruction or data. Internal interrupts are also known as traps. Internal interrupts are initiated because o
Q. Explain cause effect graphing? Cause-effect graphing is the test case design technique that offers a concise representation of logical conditions and corresponding actions
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Why Software maintenance is require Software maintenance is done due to the below factors. i) To rectify the errors which are encountered during the operation of software.
Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
Consider a program for the purpose of the nature of roots of a quadratic equation. Its input is the triple of positive integers say a, b, c as well as values in the interval [0,100
What is Prototype Prototype is developed so that customers, developers and users can learn more about problem. Hence prototype serves as a mechanism for identifying software r
What is Delphi model? In Delphi method, a number of parameters to be considered based on as experts estimates. The group estimate is taken as on an average of the weighted
Advantage of microcomputer software packages: i) compilation and maintenance of reference and fact files; ii) compilation of current and retrospective bibliographies
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