Скачать или смотреть Software Engineering - Waterfall Model | Mrs. R.Padmadevi | Department of Computer Science.

The YouTube video, "Software Engineering - Waterfall Model | Mrs. R.Padmadevi | Department of Computer Science.", presents an introduction to the classical Waterfall Model for software development.

This lecture discusses the Classical Waterfall Model, a fundamental and simple, yet idealistic, software development life cycle model used to build a foundational understanding of other models.

The video details the six sequential phases of the model:

Feasibility Study: To determine if developing the software is both financially and technically possible.

Requirement Analysis and Specification: To understand the exact customer requirements and document them in the SRS document.

Design: The information gathered in the specification phase is transformed into a design document to create a structure for implementation.

Coding and Unit Testing: Also called the implementation phase, the design is translated into source code, and individual functions (units) are tested for correct working.

Integration and System Testing: Different modules are integrated and tested to ensure interfaces work satisfactorily (integration testing) and that the entire system conforms to the requirements laid out in the SRS document (system testing).

Maintenance: This final phase involves three activities:

Corrective Maintenance: Fixing errors not found during initial development.

Perfective Maintenance: Improving the system's performance.

Adaptive Maintenance: Checking the application's working environment.

The lecture concludes by noting the main shortcomings of the Waterfall Model, such as the absence of feedback paths, difficulty in accommodating change requests, and inefficient error correction.