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Why is maintenance of a software important?
The alteration of a software product, after delivery, to correct faults, to improve performance or other attributes, or to adapt the product to a changed environment.
Maintenance is a significant part of the software life-cycle. It is costly in manpower and resources, and one of the aims of software engineering is to decrease its cost.
The most significant problem during maintenance is the before correcting or modifying a program, the programmer must first understand it.
testing
using a dfd and a processing narrative,describe computer based system that can distinct transform flow characteristics.Define flow boundaries map the dfd into a software architectu
The process of evaluating a program based on implementation of that program. Dynamic analysis approaches rely on implementing a piece of software with selected test data.
What are the general activities in design process? i. System structuring - The system is separated into principle subsystems components and communications among these subsystem
Q. Describe about Unit Testing? Unit Testing: The unit testing is completed to test the individual module of the software. Test cases are designed to test the program functiona
The inability of a system or system component to perform a needed function within specified limits.
In how many types requirements have been classified Requirements are classified in the below two types: i) Functional requirements: They define the factors such as I/O fo
What is Outputs? Ans) Products, services, or information supplied to meet end user requirements.
What is bottom-up approach? System developed starting from detailed modules. Testing begins from the detailed modules and proceeds up to the higher levels of hierarchy.
Q. What problems arise if two modules have high coupling? Ans: Coupling signifies the interconnection of different modules with each other or we can say it tells about the in
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