Waterfall | Spiral | Agille | Prototype - Software Development Methodologies Explained in Sinhala

WATERFALL
When it comes to software development, Waterfall is the most traditional and sequential choice. Although it’s usually viewed as an ”old school” or outdated method, it’s helpful to understand the history and structure of Waterfall to better appreciate the flexibility of more modern methodologies. First created in 1970, Waterfall was one of the most prominent methodologies for several decades because of its plan-driven approach.

AGILE
The Agile methodology was developed as a response to growing frustrations with Waterfall and other highly structured, inflexible methodologies. This approach is designed to accommodate change and the need to produce software fast.

PROTOTYPE
Prototype methodology is defined as a Software Development model in which a prototype is built, test, and then reworked when needed until an acceptable prototype is achieved. It also creates a base to produce the final system.

SPIRAL
The spiral model is a risk-driven software development process model. Based on the unique risk patterns of a given project, the spiral model guides a team to adopt elements of one or more process models, such as incremental, waterfall, or evolutionary prototyping.


This video is specially for A/L ICT students. Here we are discussing about four type of software development methodologies in software development related to A/L ICT syllabus.

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