GMS 401 Study Guide - Midterm Guide: Critical Path Method, Longest Path Problem

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There are two ways to draw project network: aciviies on nodes: network in which nodes designate aciviies, aciviies on arrows: network in which arrows designate aciviies. Drawing project network: acivity on node modelling rules: there should be exactly one staring node, there should be exactly one inish node. Criical aciviies: aciviies on the criical (longest) path: criical path aciviies have no slack ime. Path slack time: allowable slippage for a path; the diference between the length of the path and the length of the criical (longest) path. Path: a sequence of aciviies that leads from the start node to the end node. Earliest start (es) = which an activity can start, assuming all predecessors have been completed earliest time at. Earliest finish (ef) = earliest time at which an activity can be finished. Latest start (ls) = latest time at which an activity can start so as to not delay the completion time of the entire project.