What are the major differences between PERT and CPMSolutionC

CPM

PERT

• Estimation with fair degree of accuracy of acticity duration

• no definite time and accuracy for activity

• cost and time control while planning.

• only for planning.

• mainly used in condtruction projects

• mainly used in research and development.

• based on the concept of determinism.

• model is based on the concept of probability.

.

• network use the activity oriented

• network use is event oriented.

• cost optimization is of prime importance..

here time is the controlling factor.