Explain The Popular Software Development Life Cycle Models?

Explain The Popular Software Development Life Cycle Models?
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1 Answer

Answer :

Waterfall model:
This is the oldest model. It represents sequence of stages; output of one stage becomes input of others.

Spiral Model:
This is improved version of waterfall model. Here we have scope to reiterate and go back to the earlier stages number of times as project progresses.

Build and fix model:
This is a risky and most unorganized model. In this, developers keep writing code until the customer is happy.

Rapid Prototype Model:
In this model, we develop prototype which acts like a final product. Once prototype is approved, then the actual development starts.

Incremental Model:
In this model, the product is divided into sections and each section of the product are created and tested separately.
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According to PMBOK, project management process groups are iterative, which was originally defined by Walter Shewhart and later modified by Edward Deming. Generally, one outcome from a previous process can serve as input for the next process. Which of the following best identifies with the description of this concept? Select one: a. Project life cycle b. Plan-Do-Check-Act cycle c. Project phases d. PM processes e. HR process cycle

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A ____ of activities that are used to achieve the project’s goals or objectives is known as the project life cycle.

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A simple way of looking at the spiral life-cycle model is as a waterfall model with each phase proceeded by a) Build-and-fix b) Freezingc) Synchronization d) Testing e) Risk analysis

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The life cycle can be said to consist of a series of phases. The classical model is referred to as the waterfall model. Which phase may be defined as “The concept is explored and refined, and the client’s requirements are elicited?” (a) Requirements (b) Specification (c) Design d) Implementation

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Following are the phases of Project Management Life Cycle. Arrange (B) 1-2-3-4 (C) 2-3-1-4 (D) 4-3-2-1them in correct order 1. Design, 2. Marketing, 3. Analysis and evaluation, 4. Inspection, testing and delivery (A) 3-2-1-4

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The project life cycle consists of (A)Understanding the scope of the project (B)Objectives of the project (C)Formulation and planning various activities (D)All of the above

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Risk Event Graph is having following on X axis A.Gantt Chart B.Work Break Down Structure C.Project Life Cycle D.Splitting

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Which stage of project management life cycle requires the maximum time of completion A.Conceptualization B.Planning C.Execution D.Estimation

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Which one of the following is captured in the Work Breakdown Structure (WBS)? A.The life cycle phases B.The logical order of tasks C.The scope of the project D. Project costs

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Last Answer : C.The scope of the project

Which one of the following best describes project management? a. Using APM’s Body of Knowledge 6th edition as a guide to all projects. b. Employing a project manager who has ud. Application of processes and methods throughout the project life cycle.ndertaken similar projects. c. Utilising team members who can work on a project full time.

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Last Answer : d. Application of processes and methods throughout the project life cycle.

The accuracy of an estimate should: a. decrease as a project progresses through its life cycle. b. increase as a project progresses through its life cycle. c. stay constant throughout the project life cycle. d. vary independently of where the project is in its life cycle.

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Last Answer : b. increase as a project progresses through its life cycle.

Which one of the following statements best defines an estimate? a. An approximation of project time and cost targets, refined throughout the project life cycle. b. A prediction of a future condition or event based on information or knowledge available now. c. The value of useful work done at any given point in a project to give a measure of progress. d. A situation that affects or influences the outcome of the project expressed in time or cost terms.

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Last Answer : a. An approximation of project time and cost targets, refined throughout the project life  cycle.

Which one of the following is captured in the Work Breakdown Structure (WBS)? a. The life cycle phases. b. The logical order of tasks. c. The scope of the project. d. Project costs

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Last Answer : c. The scope of the project.

Which one of the following statements is true?a. The business case is owned by the sponsor and is created during the concept phase of the project life cycle. b. The business case is owned by the project manager and is created during the concept phase of the project life cycle. c. The business case is owned by the sponsor and is created during definition phase of the project life cycle. d. The business case is owned by the project manager and is created during the definition phase of the project life cycle.

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Last Answer : a. The business case is owned by the sponsor and is created during the concept phase of the  project life cycle.

)Life Cycle Costing is a term that is: 1. used when making decisions between alternatives 2. employed principally by the government3. typically used in the construction industry 4. not used within the government 5. A and B

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Last Answer : 5. A and B

Cost controls can be best described by which of the following? 1. The process of developing the future trends along with the assessment of probabilities, uncertainties, and inflation that could occur during the project 2. The process of assembling and predicting costs of a project over its life cycle 3. The process of assembling and predicting costs of a project over its life cycle 4. The process of gathering, accumulating, analyzing, reporting, and managing the costs on an on-going basis.

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Last Answer : 4. The process of gathering, accumulating, analyzing, reporting, and managing the costs on  an on-going basis.

Cost budgeting can be best described by which of the following? 1. The process of developing the future trends along with the assessment of probabilities, uncertainties, and inflation that could occur during the project 2. The process of assembling and predicting costs of a project over its life cycle 3. The process of establishing budgets, standards, and a monitoring system by which the investment cost of the project can be measured and managed 4. The process of gathering, accumulating, analyzing, reporting, and managing the costs on an on- going basis

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Last Answer : 3. The process of establishing budgets, standards, and a monitoring system by which the  investment cost of the project can be measured and managed

The time necessary to complete a project is referred to as: 1. Implementation time 2. Life cycle 3. Operations cycle 4. Production cycle

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Last Answer : 2. Life cycle

The cost impact of a risk event occurring as a project proceeds through its life cycle tends to A. Slowly rise B. Slowly drop C. Drop sharply and then level out D. Rise sharply and then level out

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Last Answer : A. Slowly rise