When to form the main project. Breaking

a project manager plans a project, it is always good to separate the project
into smaller phases.  The project life
cycle is the collection of all the phases come together to form the main
project.  Breaking a project down into
phases allows for easier management and can help with uncertainty. Depending on
the project there will be a deliverable, which can be a segment of code, a product
or service that is produced in each phase.  In a traditional project life cycle, there are four project phases. The first
two are a concept and the development which
is primarily the planning phase. In the concept phase,
common deliverables are preliminary cost
estimate, business case. In the second phase “development” the deliverable are
budgetary cost estimates, and project management plan. In the implementation
phase definitive cost estimates, performance reports, execution of work are the
usual deliverables. In the final phases which are implementation and closeout. In
the final phases of the project, it would
be devoted to producing the work, this is often called project acquisition. In
order for the project life cycle to work properly each one of the phases has
to be completed before moving on to the next phase of the project. During the
close-out phase, it’s important to document
your work and lessons learned, also remember to ensure that the customer is
happy with the completion of the project. There is a framework which helps
explains the phases of developing information systems which are called systems
development life cycle (SDLC). Common models from the SDLC are waterfall model, the spiral model, the incremental build model, the prototyping model, and the
Rapid application development model (RAD).
These particular life cycle models are
samples of how the project scope can be articulated and the cost and schedule
be clarify predicated this is called a predictive life cycle. 


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