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### 30 Cards in this Set

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 A time-consuming job or task that is a key subpart of the total project Activity A network in which the activities are represented by arcs. Activity-on-Arc (AOA) A network in which the activities are represented by nodes. This is the model illustrated in our book Activity-on-Node (AON) Three time estimates that are used in determining the expected completion time and variance for an activity in a PERT network Activity Time Estimates A procedure that moves from the end of the network to the beginning of the network. It is used in determining the latest finish and start times. Backward Pass A probability distribution that is often usedin computing the expected activity completion times and variances in networks. Beta Probability Distribution Critical path method. A deterministic network technique that is similar to PERT but allows for project crashing CPM The process of reducing the total time that it takes to complete a project by expending additional funds Crashing The series of activities that have zero slack, It is the longest time path through the network. A delay for any activity that is on the critical path will delay the completion of the entire project Critical Path An analysis that determines the total project completion time, the critical path for the project, slack, ES, EF, LS, and LF for every activity Critical Path Analysis The earliest time that an activity can be finished without violation of precdence requirements Earliest Finish Time (EF) The earliest time that an activity can start without violation of precedence requirements Earliest Start Time (ES) A point in time that marks the beginning or ending of an activity Event The average time that it should take to complete an activity t=(a+4m+b)/6 Expected Activity time A procedure that moves from the beginning of a network to the end of the network. It is used in determining earliest activity start times and earliest finish times Forward Pass A bar chart indicating when the activities (represented by bars) in a project will be performed Gantt Chart An activity that must be completed before another activity can be started Immediate Predecessor The latest time that an activity can be finished without delaying the entire project Latest Finish Time (LF) The latest time that an activity can be started without delaying the entire project Latest Start Time (LS) A major event in a project Milestone The amount of time that you would expect it would take to complete the activity Most Likely Time (m) A graphical display of a project that contains both activities and events Network The shortest amount of time that could be required to complete the activity Optimistic Time (a) Program evaluation and review technique. A network technique that allows three time estimates for each activity in a project PERT A technique that allows a decision maker to plan, schedule, monitor, and control project cost as well as project time PERT/Cost The greatest amount of time that allows required to complete the activity Pessimistic Time(b) The process of smoothing out the ultilization of resourcesin a project Resource Leveling The amount of time that an activity can be delayed without delaying the entire project. Slack is equal to the latest start time minus the earliest start time, or the latest finish time minus the earliest finish time. Slack Time A measure of dispersion of the activity completion time. Variance=[(b-a/6]2 Variance of activity completion time A list of the activities that must be performed in a project Work Breakdown Structure (WBS)