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Differentiate between CPM & PERT.
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written 8.3 years ago by |
CRITICAL PATH METHOD (CPM) | PROGRAM EVALUATION AND REVIEW TECHNIQUE (PERT) |
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CPM is activity oriented i.e. CPM network is built on the basis of activities | PERT is event oriented |
CPM is a deterministic model. It does not take into account it uncertainties involved in the estimation of time. | PERT is a probabilistic model |
CPM places dual emphasis on project time as well as cost and finds the trade-off between project time and project cost. | PERT is primarily concerned with time only |
CPM is primarily used for projects which are repetitive in nature and comparatively small in size. | PERT is used for large on time research and development type of projects. |