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Q. What is reverse engineering?
Ans. It is a method of analysing software with a view to understanding its design and specification.
- In source code, reverse engineering and executable code are the input.
- It may be part of a re-engineering process however may also be used to re-specify a system for re-implementation.
- Reverse engineering often proceeds re-engineering however is sometimes worth wise in its own right.
- Builds a program database as well as generates information from this.
- Program understanding tools (browsers and cross reference etc.) may as well be used in this process.
- Design in addition to specification may be reverse engineer to
- Serves as input to SRS for program alternative.
- Be available to assist program maintenance.
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State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
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