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Advantages of Re-Engineering:-
1) Reduced risk - there is a huge risk in new software development. There might be development problems, staffing problems and specification problems.
2) Reduced cost - the cost of re-engineering is often extensively less than the cost of developing latest software.
Q. Explain different type of testing tools? (a) Test Case Generators: These tools produce test cases from SRS program or test design languages. They utilize certain rules cal
Determine the level 0 and level 1 of DFD External entities provide input data for processing. During processing, some intermediate data is generated. After final processing, fi
Define a software process. How do software myths affect a software process? Software process is a Coherent set of activities for specifying, designing, executing and testing so
Define sandwich testing. Testing combines the ideas of both bottom-up and top-down testing by defining a certain target layer in the hierarchy of the module. The modules below
State the System Engineering Hierarchy? The world view is composed of a set of domains (Di), which can each be a system, or system of systems. WV = {D1,D2,D3,...........,Dn}
design steps
Describe component testing. - Component testing is also called as module, unit or program testing. - It looks for defects in software and verifies its functioning. - It c
Q. Explain Span and average span size of a program? Span dimension indicates the number of statements that pass between successive uses of a variable. For illustration in the f
What is Top-Down Strategy? Ans) Top down integration is basically an approach where modules are produced and tested starting at the top level of the programming hierarchy and re
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