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What is stepwise refinement?
Stepwise Refinement:-Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively refining levels of procedural detail. A hierarchy is developed by decomposing a macroscopic statement of function in a stepwise fashion unless programming language statements are reached.
What is Requirements Engineering Requirements engineering is systematic use of proven techniques, principles and language tools for cost effective analysis, on-going evaluatio
Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
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Write definition of DFD? Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
Q. Why does the software design improve when we use object-oriented concepts? Ans. The software design gets betters when we use object-oriented concepts because 1.Object-o
What is a user interface Ans) "User interface" is the interface among a human user and a computer system. It access the passage of information among a human user and hardware or
What does it mean by software re-engineering ?
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
What is Random testing? Random testing is also referred as adhoc testing. As the tester can give the out of coverage data and the stability of an application is checked, whethe
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