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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.
Advantages of Re-Engineering:- 1) Reduced risk - there is a huge risk in new software development. There might be development problems, staffing problems and specification pro
Name some Software Standards Numerous terms related to software engineering are regularly standardised by organisations like IEEE (Institute of Electrical and Electronics Engi
Define Data objects, attributes & relationship. Data object: Representation of any collective information that must be understood by software. It can be any external entity.
effects of nativity in requirements specification
What is data modeling? Data modeling is the basic step in the analysis modeling. In data modeling the data objects are explained independently of processing. The data model sho
What is prototyping approaches in software process? i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepared and it is then refin
What are the different types of Cohesion? i. Coincidentally cohesive -The modules in which the set of tasks are related with each other loosely then such modules are known as
What are repositories used by QTP to store object properties? QTP uses two kinds of repositories to store object properties. a.) Shared object repository: A global object
QUESTION - Name Services (a) Illustrate with help of a diagram the results of a DNS lookup and an ARP lookup assuming we are using IPv4. (b) Why do DNS root servers hold en
What are 5 common problems in software development process? 1. Bad requirements - These requirements are unclear, too general, incomplete, or not testable. They cause problem
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