Term

A __________ works left to right to determine earliest start and earliest finish times; whereas a _________ works right to left to determine latest start and latest finish times.

Definition

forward pass; backwards pass

Term

Nodes with __________ must be on a critical path whereas nodes with ________ can be delayed.

Definition

zero slack; positive slack

Term

When crashing a project, we should choose the node __________.

Definition

on the critical path with the lowest crash cost per period.