Software Process Models Lecture 2

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10 Questions

Which software process model is characterized by feedback loops and documentation-driven approach?

Waterfall model

Which process model is an example of a Sequential model and divides the software development activity into different phases with specific objectives for each phase?

Waterfall model

What type of model is the pioneer of the Software Development Life Cycle (SDLC) processes?

Waterfall model

Which process model is characterized by high cost, difficult maintenance, and lack of specifications and design?

Build-and-Fix Model

Which process model presents a clear set of activities for specifying, designing, implementing, and testing software systems?

Software Process Models

In the Rapid Prototyping Model, what happens to the prototype after it is evaluated by the customer/user?

It is discarded and does not turn into a product

What is a disadvantage of the Waterfall model as mentioned in the text?

Working version of the software will not be available until late in the project time-span

What is an advantage of the Incremental Model mentioned in the text?

It is flexible and less expensive to change requirements and scope

When should Incremental models be used according to the text?

When high-risk features and goals are involved

What is a characteristic of Rapid Prototyping Model as mentioned in the text?

Used in the requirements phase

Study Notes

Software Process Models

  • The V-Model is characterized by feedback loops and a documentation-driven approach.

Sequential Model

  • The Waterfall model is an example of a Sequential model, which divides the software development activity into different phases with specific objectives for each phase.

SDLC Pioneer

  • The Waterfall model is the pioneer of the Software Development Life Cycle (SDLC) processes.

Drawbacks of a Model

  • The Prototype model is characterized by high cost, difficult maintenance, and lack of specifications and design.

Software Development Activities

  • The Waterfall model presents a clear set of activities for specifying, designing, implementing, and testing software systems.

Rapid Prototyping Model

  • After evaluation by the customer/user, the prototype is refined or discarded and a new prototype is developed in the Rapid Prototyping Model.

Disadvantages of Waterfall

  • A disadvantage of the Waterfall model is that it is inflexible and does not allow for changes in the project scope.

Advantages of Incremental Model

  • An advantage of the Incremental Model is that it allows for earlyDetection and correction of errors.

When to Use Incremental Model

  • Incremental models should be used when the project requirements are not fully understood or when the project scope is subject to change.

Rapid Prototyping Model Characteristics

  • A characteristic of Rapid Prototyping Model is that it allows for rapid feedback from the customer/user.

Test your knowledge of different software process models including the build-and-fix model, waterfall model, incremental model, evolutionary process models, rapid prototyping model, spiral model, agile process models, and object-oriented life-cycle models. Explore the criteria for deciding on a suitable software process model and the phases involved in software processes.

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