3)PERT is more suitable for R&D related 3)CPM is best suited for routine and those projects where the project is performed for projects where time and cost estimates can the first time and the estimate of duration be accurately calculated are uncertain.

4)The probability factor i major in PERT 4)The deterministic factor is more so values or so outcomes may not be exact. outcomes are generally accurate and realistic.

Extensions of both PERT and CPM allow the user to manage other resources in addition to time and money, to trade off resources, to analyze different types of schedules, and to balance the use of resources. Tensions of both PERT and CPM allow the user to manage other resources in addition to time and money, to trade off resources, to analyze different types of schedules, and to balance the use of resources.

Graphs _ In mathematics, networks are called graphs, the entities are nodes, and the links are edges

_ Graph theory starts in the 18th century, with Leonhard Euler

_ The problem of Kรถnigsberg bridges

_ Since then graphs have been studied extensively.

Graph Theory _ Graph G=(V,E)

_ V = set of vertices

_ E = set of edges

_ An edge is defined by the

two vertices which it

connects

2

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