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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.
algorithm
design steps
A manual testing [error detection] method where program [source code] logic [structure] is traced manually [mentally] by a group with a small set of test cases, whereas the state o
What is a state transition diagram? State transition diagram is basically a collection of states and events. The events cause the system to change its state. It also show what
What is the difference among an implicit and an explicit conceptual model?
Determine the various levels of testing The following are various levels of testing: Large systems are built out of subsystems which are made up of modules, modules of funct
What is verification? Verification is the process of determining whether the output of single phase of software development conforms to that of its last phase, whereas vali
What is data modelling? Data modeling is the basic step in the examine modeling. In data modeling the data objects are examined independently of processing. The data model s
Define top-down testing. System developed starting from most general modules. Testing begins from the most general module.
Explain the design steps of the transform mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transf
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