Forward and Backward Scanning (HSC SSCE Mathematics Standard): Quizzes

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Forward and Backward Scanning
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What does EST represent in critical path analysis?

Earliest time activity can start

What is the EST value for activities that start the project?

EST=0\text{EST} = 0

In which direction does forward scanning work through a network diagram?

From start to finish

When an activity has multiple predecessors, which EST value should be chosen?

The largest EST value

What does the EST at the finish vertex represent?

Minimum project completion time

What does LST represent in project scheduling?

Latest start without delaying project

In which direction does backward scanning work?

From finish to start

When an activity has multiple successors, which LST value should be chosen?

The smallest LST value

What is the formula for calculating EST of an activity?

EST of pred+duration of pred\text{EST of pred} + \text{duration of pred}

What does the difference between LST and EST represent?

Float or slack time

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