An Integrated Approach to Software Engineering (3rd Edition) by Pankaj Jalote

By Pankaj Jalote

Executing any software program venture calls for talents in key dimensions— engineering and venture administration. whereas engineering offers with problems with structure, layout, coding, trying out, etc., undertaking administration bargains with making plans, tracking, danger administration, and so forth. for this reason, this booklet makes a speciality of those dimensions, and for key projects in each one, discusses thoughts and methods that may be utilized successfully on projects.

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Extra info for An Integrated Approach to Software Engineering (3rd Edition)

Example text

The iterative enhancement model [7] is an example of this approach. In the first step of this model, a simple initial implementation is done for a subset of the overall problem. This subset is one that contains some of the key aspects of the problem that are easy to understand and implement and which form a useful and usable system. A project control list is created that contains, in order, all the tasks that must be performed to obtain the final implementation. This project control list gives an idea of how far along the project is at any given step from the final system.

Hence, the costs incurred due to changes in the requirements may be substantially reduced by prototyping. Hence, the cost of the development after the prototype can be substantially less than the cost without prototyping; we have already seen how the cost of developing the prototype itself can be reduced. Prototyping is well suited for projects where requirements are hard to determine and the confidence in the stated requirements is low. In such projects, a waterfall model will have to freeze the requirements in order for the development to continue, even when the requirements are not stable.

The actual process exists when the project is actually executed. Although process specification is distinct from the actual process, we will consider the process specification for a project and the actual process of the project as one and the same, and will use the term process to refer to both of them. It should, however, be mentioned that although we are assuming that there is no difficulty in a project following a specified process, in reality it is not as simple. Often the actual process being followed in the project may be very different from the project's process specification.

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