What is re-engineering, Software Engineering

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Q. What is RE-ENGINEERING?

RE-ENGINEERING:- It is re-organizing as well as modifying existing system to make them more maintainable. It involves

  • Source code translation.
  • Reverse engineering.
  • Program structure development.
  • Program modularization.
  • Data re-engineering.

Restructuring or else re-writing part or every of the legacy system without hanging its functionality. Legacy system is a system that is hard to maintain. Thus it involves:-

1) Re-documenting the system.

2) Organizing as well as re-structuring the system.

3) Modifying as well as upgrading structure as well as value of the system data.

4) Input to a re-engineering process is a legacy system as well as output is a structure modularized version of the same program. So re-engineering involves adding effort to make them easier to maintain. The system possibly restructured or else re-documented.


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