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Table of contents
1.
Introduction 
2.
The Prototype Model
3.
Types of Prototyping
4.
Advantages of Prototyping
5.
Disadvantages of Prototyping
6.
FAQs
7.
Key takeaways-
Last Updated: Mar 27, 2024

Prototype Model

Author Riya
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Ashwin Goyal
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Introduction 

Software Development Life Cycle (SDLC) is a process consisting of various activities performed for the development of a software product. It represents the series of planned activities in the software life cycle. The development team determines a suitable SDLC process in the software organisation and follows it to develop high-quality software that meets the expectations.

Software development life cycle models are the models representing different stages of a software development life cycle. These models are also known as "Software Development Process Models." There are many software development life cycle models followed by a software development team for the development of a software product. The prototype model is one of the most popular and used software development cycle models. In this article, we will discuss the prototype model in detail.

Recommended Topic: Adhoc testing

The Prototype Model

Prototyping is defined as building a functional replication of the actual product. The prototype model is one of the widely used software development cycle methods. In this method, a prototype of the actual product is developed first and then evolved as per the customer's feedback. The final prototype is developed by taking the feedback and requirement analysis from the customer into consideration, and it acts as the base for the actual product development.
 The following steps are used for developing the prototype:

  1. Basic requirement Analysis
    In this step, the basic requirements of the product are gathered from the customer.
  2. Initial prototype development
    In this step, a basic prototype with the help of basic requirement analysis is developed
  3. Review of the prototype
    In this step, the prototype is shown to the customer, and then feedback and new requirements are gathered.
  4. Improve the prototype
    In this step, the prototype is enhanced with the help of the feedback from the customer, and also, the functionalities for new requirements are added.
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Types of Prototyping

There are following major four types of prototype models used widely used in software industry:

  1. Rapid Throwaway Prototyping
    This is also known as close-ended prototyping. The prototype model developed in this method uses minimum requirement analysis and evolved with the help of customer feedback. Once the actual requirements are understood with the help of feedback from the customer, the actual prototype is developed of much better quality.
     
  2. Evolutionary Prototyping
    This is also known as breadboard prototyping. The prototype model developed in this method starts with a minimal understanding of requirements. The requirements are gradually added to the model based on the customer feedback until it gets finally accepted.
     
  3. Incremental Prototyping
    In this method, the final expected prototype model is divided into multiple functional prototype models, and each of these smaller prototypes is built individually. The final prototype model is developed by integrating all of these smaller functional prototypes.
     
  4. Extreme Prototyping
    This method is mainly used in the web development domain. It consists of the following three sequential phases:
    1. In the first phase, a basic prototype with all the existing pages is presented in the HTML format.
    2. In the second phase, the data processing is simulated using a prototype services layer.
    3. In the third phase, all the services are implemented and associated with the final prototype.


Also check out - Phases of Compiler and  V Model in Software Engineering

Advantages of Prototyping

The major advantages of the prototype model are listed below:

  1. A working model is displayed before the implementation that will give a better understanding of the software to the customer.
  2. The customers are involved even before the implementation of the product. Thus, the level of customer satisfaction and comfort will increase.
  3. Defects can be detected in the prototype model and can be resolved.
  4. New requirements and missing functionalities can be easily identified and added to the model.
  5. The developed prototype can be reused for other complex projects as well.

Disadvantages of Prototyping

The major advantages of the prototype model are listed below:

  1. There may be many variations in the requirements by the customers, which can be difficult for the developers to arrange in the prototype.
  2. Users may get confused about the prototypes and actual products.
  3. The customer might cancel the project after seeing the initial prototype.

See more, human computer interaction

FAQs

  1. What is SDLC(Software Development Life Cycle)?
    Software Development Life Cycle (SDLC) is a process consisting of various activities performed for the development of a software product. It represents the series of planned activities in the software life cycle.
     
  2. What are the major types of the prototype model?
    There are majorly four different types of the prototype model. They are:
    Rapid prototyping
    Evolutionary prototyping
    Incremental prototyping
    Extreme prototyping

Key takeaways-

This article discussed the ‘Prototype Model’ in detail. If you think that this blog helped you share it with your friends!. 

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