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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.
Define the Minimum cardinality of a relationship Minimum cardinality of a relationship is the minimum number of instances of second entity (student, in this case) with every in
Explain about rapid prototyping techniques. Used to animate the system specification. It is expressed in a formal, mathematical language to provide a system prototype
What are the approaches of integration testing? The integration testing can be carried out using two approaches. 1. The non-incremental testing. 2. Incremental testing.
Explain the reuse maintenance model with the help of a diagram. Reuse maintenance model: This model is based on the principal that maintenance could be viewed as an activity i
Q. What is Control coupling? Control coupling: Module A as well as B are said to be control coupled if they communicate by passing of control information. This is typically a
Define the Behavioural Model It defines operational behaviour of the system. In this model, numerous operations of the system are represented in pictorial form. Tools used to
Define the Level 1 of maturity model At this maturitylevel,software is developed an ad hoc basis and nonstrategic technique is used for its development. Success of developed s
A measure of the severity and probability of undesired effects. Often taken as the easy product of probability and consequence.
Product metrics: explain the characteristics of the product such as size, complexity, design features, performance, efficiency, reliability, portability, etc.
Hello, I have an assignment and have to derive a regular expression based on a CFG provided but i dont know how. please help.
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