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.