The major difference between PERT and CPM networks is:
PERT is measured in days whereas CPM uses weeks or months.
PERT addresses only time whereas CPM also includes cost and resource availability.
PERT requires three time estimates whereas CPM requires one-time estimate.
PERT is used for construction projects whereas CPM is used for R & D.
PERT requires computer solutions whereas CPM is a manual technique.
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