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Question

What is the purpose of dummy activities in an activity-on-arrow network in the PERT technique?

a.

To represent the earliest possible starting and finishing times for each activity

b.

To show the critical path of activities

c.

To make sure that certain activities are not started until certain other activities have been completed

d.

To show the slack times of activities

Posted under Software Engineering

Answer: (c).To make sure that certain activities are not started until certain other activities have been completed Explanation:Dummy activities in an activity-on-arrow network are used to ensure that certain activities are not started until certain other activities have been completed.

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Q. What is the purpose of dummy activities in an activity-on-arrow network in the PERT technique?