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Q. Define Reverse Engineering? What are the main objectives of reverse engineering?
Ans: The reverse engineering is the procedure of generating representations that are implementation independent starting from code. It is opposite of usual forward engineering process. The major objectives of the reverse Engineering process are:
(i) It assists the companies to understand the complexities of the system
(ii) Assists the analyst to generate useful lost information about legacy systems
(iii) Can be utilized to identify reusable components for analysis and future use.
(iv) Assists in generating graphical representation of the system from different perspectives example are ER diagram, class diagram and DFD etc.
(v) Can be utilized as a part of Reengineering process.
(vi) Over a period of time alterations made to the software as well result into unexpected problems. The anomalies are able to be detected using reverse engineering techniques.
Define about the erroneous data - Test data Abnormal/erroneous data - This is data outside the limits of validity/acceptability and must cause an error message to be g
how to get values from list
Q Define the failure intensity of the Basic model? Ans: The failure intensity of the Basic model is λ (μ) = λ 0 [1 - μ / v 0 ] Where λ 0 is the initial failure inten
Top down design: A top down design approach begins by identifying the main modules of the system, decomposing them into their lower level modules and iterating unless the desired
What is Customer (end user)? Ans) The organization or individual, internal or external to the producing organization that takes the product.
Define the concept of SRS An SRS clearly defines following: • External Interfaces of the system: They identify information which is to flow 'from and to' to the system.
What are the Rules for making DFD The below factors must be considered when making DFDs: 1. Keep a note of all processes and external entities. Give unique names to th
Write definition of DFD? Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
QUESTION 1 (a) Define "archives" as records and explain their importance. (b) Elaborate on the steps archivists have to undertake for the storage of archival records. QU
The sudden and finish failure of a computer system or component.
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