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The Rapid Application Development (RAD) model is a software development methodology focused on rapid prototyping with minimal planning, allowing for easier incorporation of changes. It consists of key phases including business modeling, data modeling, process modeling, application generation, and testing. Compared to other models like Waterfall and Agile, RAD emphasizes quick delivery and client involvement throughout the development process.

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8 views3 pages

Assigement

The Rapid Application Development (RAD) model is a software development methodology focused on rapid prototyping with minimal planning, allowing for easier incorporation of changes. It consists of key phases including business modeling, data modeling, process modeling, application generation, and testing. Compared to other models like Waterfall and Agile, RAD emphasizes quick delivery and client involvement throughout the development process.

Uploaded by

optuhinpal
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© © All Rights Reserved
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1.

 Rad Model :-
Defination :

Rapid application development is a software development methodology that


uses minimal planning in favor of rapid prototyping. A prototype is a working
model that is functionally equivalent to a component of the product.

In the RAD model, the functional modules are developed in parallel as


prototypes and are integrated to make the complete product for faster product
delivery. Since there is no detailed preplanning, it makes it easier to incorporate
the changes within the development process.

RAD model distributes the analysis, design, build and test phases into a
series of short, iterative development cycles.
Following are the various phases of the RAD Model −

Key Phases Explained:

Phases:
1. Business Modelling – Defines information flow and
distribution between business channels.
2. Data Modelling – Analyzes gathered data into objects,
attributes, and relationships.
3. Process Modelling – Converts data objects into
workflows to meet business objectives.
4. Application Generation – Uses automation tools to
build prototypes from models.
5. Testing & Turnover – Reduces testing time by
validating prototypes in each iteration. Focuses on data
flow and interface testing.
Phases of Rapid Application Development (RAD):

 Rapid application development vs. Other


software development models

RAD Waterfall Agile


Builds a functional, Emphasizes intensive Builds the app by
working model of the planning and follows breaking down large
application in the through on set objectives into
fastest way possible objectives smaller ‘sprints’

Projects are
Perfect for projects Helps develop
thoroughly planned,
that require the projects in periodical
and execution is
shortest time to milestones or
typically time-
complete ‘sprints’
consuming

Can adjust to Does not allow for Can quite easily


changing changes once adjust to changes
requirements planning is done even at later stages

Involves clients Only involve clients Involves clients


throughout the during the planning throughout the
development cycle stage development

Prioritizes Considers all aspects UI/UX takes as much


functionality over of the app before priority as
aspects of UI/UX deployment functionality

 Applicability of RAD Model :


From Book { }

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