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Q. Why is maintenance of a software important? Discuss some of the problems that are faced during maintenance of software.
Ans: The modification of a software product subsequent to delivery to correct faults to improve performance or other attributes or to adapt the product to a changed environment.
Maintenance is a vital part of the software life-cycle. It is expensive in manpower as well as resources and one of the aims of software engineering is to reduce its cost.
The most vital problem during maintenance is the before correcting or modifying a program and the programmer must first understand it.
State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
Illustrate Evolutionary prototyping Objective: The main objective of this model is to show the working system to the end-user. Example-AI systems. Advantages
What are the phases of Problem solving Loop? Problem definition identifies the problem to be resolved. Technical development helps to resolve the Problem through various Te
Q. Explain activities of software maintenance? The Software maintenance is a broad activity that includes enhancement of capabilities, error correction, deletion of obsolete ca
What are Quality factors? For large projects with 'average' capabilities, the development process verifies product quality. For small projects, the capabilities of the deve
What is Verification represent? Verification represents the set of actions that are performed to confirm that the software correctly implements the particular functionality.
Applicability: It is another significant characteristic of a model. The model should be judged by its degree of applicability across software products that change in size, structu
Task You have to design a digital system to produce a PWM signal that produces pulses at a frequency in the range 50 Hz -100 Hz . The pulses will be between 1 ms and 2 ms du
Give the procedure of the Delphi method. 1. The co-ordinator presents a specification and estimation form to all experts. 2. Co-ordinator calls a group meeting where the exp
Question 1 Discuss the impact of "information era" Question 2 Explain whether the linear sequential model of the software process is an accurate reflection of software developme
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