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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.
The restructuring helps in maintaining a program in the following ways: (a) Programs have higher quality, good documentation, less complexity, and conformance to modern
What are the aims of Analysis modelling? i. To make apparent what the customer wants. ii. To set up a basis for the creation of software design. iii. To devise a set of v
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#include #include #include void ingresarnotas (float A[120][6], int m, int n) { int i, j; for (i=0; i for (j=0; i { printf ("ingrese
Explain in detail about the real time systems. Hard and soft real time systems. Real time and high performance. Real-Time control. Real time software design P
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Explain about Virtual memory Virtual memory is a method used in some large computer that permit the user to construct programs as by a large memory space were available, equal
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
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