Summary of the Article:
1. The V model is a verification and validation model that emphasizes testing early in the SDLC life cycle.
2. Capability Maturity Model (CMM) is not a life cycle model but specifies levels of software development organization.
3. RAD and Prototyping are the two models that require user participation for the desired outcome.
4. Waterfall model is best suited when requirements are easily understandable and defined.
5. The Iterative SDLC model does not require all the requirements to be known initially.
6. The Evolutionary Model is preferred when the requirements are not clear.
7. The six effective SDLC models are Waterfall, V-Shaped, Iterative, Spiral, Big Bang, and Agile.
8. There are three types of life cycles: Haplontic, Diplontic, and Haplodiplontic.
Key Points:
- The V model: Also known as the verification and validation model, it guides testing to begin early in the SDLC life cycle.
- Capability Maturity Model (CMM): Specifies levels of a software development organization, but not a life cycle model.
- Desired outcome without user participation: RAD and Prototyping models will not give the desired outcome if user’s participation is not involved.
- Best model for easily understandable requirements: Waterfall model is best suited when requirements are easily understandable and defined.
- Iterative SDLC model and complete requirements: The Iterative SDLC model does not require a complete list of requirements before the project starts.
- Preferred model for unclear requirements: The Evolutionary Model is preferred for software development when the requirements are not clear.
- Types of life cycle models: The six effective SDLC models are Waterfall, V-Shaped, Iterative, Spiral, Big Bang, and Agile.
- Types of life cycles: There are three types of life cycles: Haplontic, Diplontic, and Haplodiplontic.
Questions and Answers:
- Q: In which model are the requirements finalized early in the cycle?
A: The V model finalizes the requirements early in the cycle to guide testing and validation. - Q: Which model is not a life cycle model?
A: Capability Maturity Model (CMM) is not a life cycle model but specifies levels of a software development organization. - Q: Which two models will not give the desired outcome without user participation?
A: RAD and Prototyping models will not give the desired outcome if user’s participation is not involved. - Q: Which model is best suited when requirements are easily understandable and defined?
A: The Waterfall model is best suited when requirements are easily understandable and defined. - Q: Which model does not require all the requirements to be known initially?
A: The Iterative SDLC model does not require a complete list of requirements before the project starts. - Q: Which model is preferred for software development when the requirements are not clear?
A: The Evolutionary Model is preferred for software development when the requirements are not clear. - Q: What are the four types of life cycle models?
A: The six effective SDLC models are Waterfall, V-Shaped, Iterative, Spiral, Big Bang, and Agile. - Q: What are the two types of life cycles?
A: There are three types of life cycles: Haplontic, Diplontic, and Haplodiplontic.
In which model the requirements are finalized early in the cycle
Also known as the verification and validation model, the V model guides where testing needs to begin as early as possible in the SDLC life cycle. Testing is not only an execution-based activity. It also involves various activities that must be covered before the end of the coding phase.
Cached
Which is not life cycle models
Capability Maturity Model (CMM) specifies an increasing series of levels of a software development organization. The higher the level, the better the software development process, hence reaching each level is an expensive and time-consuming process. Unlike other models, it is not a life cycle model.
Which two of the following models will not be able to give the desired
| Q. | Which two of the following models will not be able to give the desired outcome if user's participation is not involved |
|---|---|
| B. | RAD & Spiral |
| C. | RAD & Waterfall |
| D. | RAD & Prototyping |
| Answer» D. RAD & Prototyping |
Which model is best suited if requirements are not easily understandable and defined
Waterfall model is best suited if requirements are easily understandable & defined – Software Process.
Which of the models does not require all the requirements to be known in the initial stage of software development
Iterative SDLC model
So, the Iterative SDLC model does not require a complete list of requirements before the project starts.
Which model is preferred for development when the requirements are not clear
The Evolutionary Model model is preferred for software development when the requirements are not clear.
What are the 4 types of life cycle model
6 effective SDLC models: Which one is bestWaterfall Model.V-Shaped Model.Iterative Model.Spiral Model.Big Bang Model.Agile Model.
What are the two types of life cycles
Life cycle:The development stage of the living organism of any species from the beginning to the adult stage is called the life cycle.There are three types of life cycles: Haplontic life cycle, Diplontic life cycle and Haplodiplontic life cycle.
What are the two types of models
Hence, two types of scientific models are physical model and conceptual model.
Which model is preferred for software development when the requirements are not
The Evolutionary Model model is preferred for software development when the requirements are not clear.
Which model does not attempt to start with a full specification of requirements
An iterative life cycle model does not attempt to start with a full specification of requirements. Instead, development begins by specifying and implementing just part of the software, which is then reviewed to identify further requirements.
Which model is suitable when requirements are not clear and not defined
The Evolutionary Model model is preferred for software development when the requirements are not clear.
Which SDLC model can t accommodate changing requirements
Waterfall Model – Disadvantages
High amounts of risk and uncertainty. Not a good model for complex and object-oriented projects. Poor model for long and ongoing projects. Not suitable for the projects where requirements are at a moderate to high risk of changing.
What are the 2 types of SDLC models
There are two core software development life cycle models: heavyweight (predictive) and lightweight (agile).
What are the two main phases of a project life cycle
The project management life cycle is usually broken down into four phases: initiation, planning, execution, and closure. These phases make up the path that takes your project from the beginning to the end.
What is Phase 2 of the life cycle theory
Life Cycle Phase 2: Growth
A product transitions into the growth phase once it achieves product-market fit. The focus is on rapidly growing the user base focusing on customer acquisition, and rounding out the feature set to have a complete offering.
What are 2 models used by scientists
They include visual models, mathematical models, and computer models. All three types of models can be used in every branch of science.
What are the main types of models
Below are the 10 main types of modelingFashion (Editorial) Model. These models are the faces you see in high fashion magazines such as Vogue and Elle.Runway Model.Swimsuit & Lingerie Model.Commercial Model.Fitness Model.Parts Model.Fit Model.Promotional Model.
In which model we can not change the requirement after fixing the software design
V Model. The V model (Verification and Validation model) is an extension of the waterfall model. All the requirements are gathered at the start and cannot be changed. You have a corresponding testing activity for each stage.
Which model is used when user requirements are not clear
The Evolutionary Model model is preferred for software development when the requirements are not clear.
Can changing requirements be accommodated in waterfall model
Changing requirements can't be accommodated in any phase.
Which of the following are the 2 main phases in the software development life cycle SDLC
The Software Development Life Cycle (SDLC) refers to a methodology with clearly defined processes for creating high-quality software. in detail, the SDLC methodology focuses on the following phases of software development: Requirement analysis. Planning.
What are the two categories of system modeling
Hard systems modeling or operational research modeling. Soft system modeling.
What are the names of the 3 main phases in a project lifecycle
3.1 Project PhasesInitiation. The initiation phase of a project represents the activities associated with starting up the project.Planning. The planning phase, which PMI labels “organizing and preparing,” includes the development of more detailed schedules and a budget.Execution.Closeout.
What are the 3 main stages of a project life cycle
Initiation Phase. During the first of these phases, the initiation phase, the project objective or need is identified; this can be a business problem or opportunity.Planning Phase.Implementation (Execution) Phase.Closing Phase.
