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4.Compare the advantages and disadvantages of Gantt and PERT/CPM chart.Gantt chartPERT/CPM chartcharacteristicsUses a horizontal bar chart where the horizontal positionof the bar shows the start and end of an activity and the length of the bar indicates its durationUses a network diagram where activities are shown as vectors and the events are displayed as nodes. The activity vectors or lines connect one node to another.
AdvantagesPresents a clear picture of project status.Shows all individual activities anddependencies.DisadvantagesDoes not show activity dependencies such as number of hours or days required to complete an activity. Not enough detail foreffective project managementNot as clear as a Gantt chart. Diagramming all dependencies gets very complicated for large projects.5.What is work breakdown structure and how to create it?
estimate (W). Factors affecting duration when developing duration estimates, projectmanagers consider four factors is project size, human resources, experience with similar projects and constraints.