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What are the CMMI,ISO9001:200 and SIX SIGMA? what are the uses with these?
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For the years 2005 2006 2007 2008 2009 2010 and above you can go to http://sas.sei.cmu.edu/pars/pars.aspx
A software process model is a simplified description of a software process which ispresented from a particular perspective. Models, by their very nature, aresimplifications so a software process model is an abstraction of the actual processwhich is being described. Process models may include activities which are part ofthe software process, software products and the roles of people involved in softwareengineering.Some examples of the types of software process model which may beproduced are:1. A workflow model. This shows the sequence of activities in the processalong with their inputs, outputs and dependencies. The activities in thismodel represent human actions.2. A dataflow or activity model This represents the process as a set of activitieseach of which carries out some data transformation. It shows how the inputto the process such as a specification is transformed to an output such as adesign. The activities here may be at a lower-level than activities in aworkflow model. They may represent transformations carried out by peopleor by computers.3. A role/action model This represents the roles of the people involved in thesoftware process and the activities for which they are responsible.4. Iterative Processes This prescribes the construction of initially small but ever larger portions of a software project to help all those involved to uncover important issues early before problems or faulty assumptions can lead to disaster. Iterative processes are preferred by commercial developers because it allows a potential of reaching the design goals of a customer who does not know how to define what they want.5. Capability Maturity Model Integration (CMMI) is one of the leading models and based on best practice. Independent assessments grade organizations on how well they follow their defined processes, not on the quality of those processes or the software produced. CMMI has replaced CMM.There are a number of different general models or paradigms of softwaredevelopment:1. The waterfall approach This takes the above activities and represents them asseparate process phases such as requirements specification, software design,implementation, testing and so on. After each stage is defined it is 'signedoff'and development goes on to the following stage.2. Evolutionary development This approach interleaves the activities ofspecification, development and validation. An initial system is rapidlydeveloped from very abstract specifications. This is then refined withcustomer input to produce a system which satisfies the customer's needs.The system may then be delivered. Alternatively, it may be re-implementedusing a more structured approach to produce a more robust and maintainablesystem.3. Formal transformation This approach is based on producing a formalmathematical system specification and transforming this specification, usingmathematical methods to a program. These transformations are 'correctness preserving'.This means that you can be sure that the developed programmeets its specification.4. System assembly from reusable components This technique assumes thatparts of the system already exist. The system development process focuseson integrating these parts rather than developing them from scratch.
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Defined
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Capability Maturity Model
Assessment
CMMi means Capability Maturity Model Integration
CMMI stands for Capability Maturity Model Integration. It is a model for IT and ITES organizations. CMMI contains 5 levels. They are Initial, Managed, Defined, Quantitatively Managed and Optimizing. All the levels except the Initial level, contains several Key Process Areas. And all the Key Process Areas contain Specific goal, Specific Practices and Generic goals and Generic Practices respectively.
cmmi is is an integrated model for system, software, supplier sourcing and ippd. but cmm have separate model for all these things
SEI is the Software Engineering Institute. CMM stands for Capability Maturity Model. CMM has been replaced by CMMI (Capability Maturity Model Integration). For full details, go to http://www.sei.cmu.edu/cmmi/faq/comp-faq.html.
Ron Kenett has written: 'Process improvement and CMMI for systems and software' -- subject(s): Capability maturity model (Computer software), Software engineering 'CMMI and Process Improvement for Systems and Software'
CMMi level 3 Certified company
The functions and features of CMMI are to insure there are no bad blocks of memory. CMMI helps to solve the maturity problem of software within a organization.