Completion of an activity on CPM network diagram, is generally known A. Event B. Node C. Connector D. All the above

Event
Node
Connector
All the above

The correct answer is: A. Event

An event is a point in time that marks the completion of an activity. It is represented by a circle on a CPM network diagram.

A node is a point in time that marks the start or end of an activity. It is represented by a square on a CPM network diagram.

A connector is a line that connects two nodes. It represents the time it takes to complete an activity.

Therefore, the completion of an activity on a CPM network diagram is generally known as an event.