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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.
In virtual storage systems, virtual addresses are allocated to auxiliary storage locations. The use of virtual addresses permit those locations to be accessed as by they were part
What is Problem Any deviation from defined standards. Similar as defect.
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how does software myth affects software process
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
Explain critical design review The purpose of critical design review is to make sure that the detailed design satisfies the specifications laid down during system design. The
What are the advantages and disadvantages of big-bang? Advantages: This approach is easy. Disadvantages: It is hard to debug. It is not simple to isolate errors while testin
What is System Engineering? System Engineering means designing, executing, deploying and operating systems which contain hardware, software and people.
Explain the process of Prototyping Prototyping is a process which enables developer to create a small model of software. IEEE 610.12 standard defines prototype as a preliminary
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
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