4 compare the advantages and disadvantages of gantt

4. Compare the advantages and disadvantages of Gantt and PERT/CPM chart.
Gantt chart PERT/CPM chart
characteristics Uses a horizontal bar chart
where the horizontal position
of the bar shows the start
and end of an activity and
the length of the bar
indicates its duration
Uses 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.

Advantages Presents a clear picture of
project status.
Shows all individual activities and
dependencies.
Disadvantages Does not show activity
dependencies such as
number of hours or days
required to complete an
activity. Not enough detail for
effective project
management
Not 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, project
managers consider four factors is project size, human resources, experience with
similar projects and constraints.