Activity D on a CPM Network Has Predecessors B and C,and

question 79

Multiple Choice

Activity D on a CPM network has predecessors B and C,and has successor F.D has duration 6.B's earliest finish is 18,while C's is 20.F's late start is 26.Which of the following is definitely true?

• A)B is a critical activity.
• B)C is completed before B.
• C)D has no slack but is not critical.
• D)D is critical,and has zero slack.
• E)F is critical,and has zero slack.

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Definitions:

Pixel

The smallest unit of an image displayed on a screen, often consisting of components like red, green, and blue.

Inheritance

A principle in object-oriented programming that allows a class to inherit properties and methods from another class, promoting reusability.

Is-a

A relationship in object-oriented programming indicating that one class is a subtype of another, inheriting its properties.

Event-driven Programming

A programming paradigm where the flow of the program is determined by events such as user actions, sensor outputs, or message passing.