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The Prototyping Model

1. There are many software development methods that help programmers plan for, develop and maintain computer programs. Find one you like and write a short summary about it. Tells us why it is a good or bad method. There are various methods available on the basis of any software can be developed, Some of them are the Linear Sequential Model or waterfall model, the Prototyping Model, the RAD Model, the Incremental Model, the Spiral Model, the concurrent development model.

The Prototyping Model: A prototype is a working model that is functionally equivalent to a component of the product. In many instances the client only has a general view of what is expected from the software product. In such a scenario where there is an absence of detailed information regarding the input to the system, the processing needs and output requirements, the prototyping model may be employed. This model reflects an attempt to increase the flexibility of the development process by allowing the client to interact and experiment with a working representation of the product.

The developmental process only continues once the client is satisfied with the functioning of the prototype. At that stage the developer determines the specifications of the client’s real needs. There are various advantages of prototyping model. Some of them are faster development and easier for end user to understand because of involvement, fewer changes needed after implementation and user knows what to expect at implementation, user requirement is easier to determined as there is always communication occurs between user and developer(analyst), and development cost reduces .

Some of the disadvantages of prototype model are that often clients expect that a few minor changes to the prototype will more than suffice their needs and fail to realize that no consideration was given to the overall quality of the software in the rush to develop the prototype, the developers may lose focus on the real purpose of the prototype and compromise the quality of the product. 2. What challenges are you facing with using Miracle C or the C software you are using? What lessons have you learned as you prepare your 1st program with your team?

Why do you think UoPhx decided to use C as the programming language for this class? I am facing trouble in using Miracle C complier. As this is the first time I am using Miracle C software for programming C language. The main issue that I am encountering with Miracle C is that I am not able to obtain complete list for the error messages from compiler when I am writing C programming code. I have many errors sometimes but I am unable to understand the errors that are generated by Miracle C compiler. It is important that we work in team for more and more activity (programming).

The main lesson I learned when I program with my team is that it is very easier as we discuss every aspect of programming. In addition there are also certain problems in programming which can be solved very easily when one works in team. There are several reasons behind using C as programming language for this class. C is a procedural programming language, which have facilities for structured programming. C programming language is here for more than 30 years now. There are various source codes written on it that are available.

C is reasonably close to the machine. Various software that is used today is developed in C. It is the first language that most programmers learn and also it is most widely used programming languages. C has also greatly influenced many other popular languages and C++ was originally designed as enhancement to C.

Reference

Pressman, R. S. 2001. Software Engineering: A practitioner’s Approach, McGraw Hill, New York. P. 23-47. C Programming Language. 1 February 2007. Retrieved on 2 February 2007 from <http://en. wikipedia. org/wiki/C_(programming_language)>

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