What is a particular task/exercise in a project known as CPM?a.Activityb.Eventc.Taild.Head

The correct answer is a. Activity.

Explanation:

1. Understanding CPM: CPM stands for Critical Path Method, which is a project management technique used to determine the longest stretch of dependent activities and measure the time required to complete them from start to finish.

2. Defining Terms:

   • Activity: This refers to a specific task or exercise in a project that requires time and resources to complete.
   • Event: This term denotes a significant point in time within the project where certain milestones are achieved.
   • Tail: Generally, this term does not apply to CPM in a direct sense.
   • Head: Similar to tail, this is often not directly related to CPM terminology.

Conclusion:

In CPM, activities are the core components that drive the project forward, making option a. Activity the correct choice.