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Questions and Answers
Slack = ___
Slack = ___
0
Critical Activity ___ PATH
Critical Activity ___ PATH
CRITICAL
PERT | TIME ___ OPTIMISTIC TIME PESSIMISTIC TIME MOST PROBABLE TIME
PERT | TIME ___ OPTIMISTIC TIME PESSIMISTIC TIME MOST PROBABLE TIME
VARIABILITY
Time it takes for an activity to be completed considering very minimal problems and ___
Time it takes for an activity to be completed considering very minimal problems and ___
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ACTIVITY 1.Create a ___ Network
ACTIVITY 1.Create a ___ Network
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______ is an acronym for Program Evaluation Review Technique / Critical Path Method.
______ is an acronym for Program Evaluation Review Technique / Critical Path Method.
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______ stands for Program Evaluation and Review Technique, where a network of nodes and arrows determine the critical activities, improve the schedule, if necessary, and review progress once the project is undertaken. ______ was developed in the late 1950’s by the U.S. Navy Polaris Nuclear Submarine Project by Booz, Allen, and Hamilton with 250 prime contractors and 4000 subcontractors with approximately 300,000 tasks and with a development time of two (2) years.
______ stands for Program Evaluation and Review Technique, where a network of nodes and arrows determine the critical activities, improve the schedule, if necessary, and review progress once the project is undertaken. ______ was developed in the late 1950’s by the U.S. Navy Polaris Nuclear Submarine Project by Booz, Allen, and Hamilton with 250 prime contractors and 4000 subcontractors with approximately 300,000 tasks and with a development time of two (2) years.
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PERT involves the following steps: 1.Breaking down the project into specific activities or tasks. 2.Estimating the time required to complete each activity. 3.Identifying the precedence relationships between activities. 4._______ the critical path and slack times for each activity.
PERT involves the following steps: 1.Breaking down the project into specific activities or tasks. 2.Estimating the time required to complete each activity. 3.Identifying the precedence relationships between activities. 4._______ the critical path and slack times for each activity.
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An ______ is a job to be completed as a part of the project, signified by a branch in a PERT network.
An ______ is a job to be completed as a part of the project, signified by a branch in a PERT network.
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The completion of all activities leading into a node in a PERT network is called an ______.
The completion of all activities leading into a node in a PERT network is called an ______.
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A circle in a PERT network indicating the completion of certain activities and the initiation of others is known as a ______.
A circle in a PERT network indicating the completion of certain activities and the initiation of others is known as a ______.
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A sequence of activities that determines a longest path through the network which yields the minimum time in which an entire project can be completed is known as the Critical ________
A sequence of activities that determines a longest path through the network which yields the minimum time in which an entire project can be completed is known as the Critical ________
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______ Activity: An imaginary activity that requires no time.
______ Activity: An imaginary activity that requires no time.
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Earliest Start (ES): The earliest time an activity can be started after the completion of its ________.
Earliest Start (ES): The earliest time an activity can be started after the completion of its ________.
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Line connecting crucial events, any of which, if delayed, affects subsequent events, and ultimately, the completion of the project is called the ________ Path.
Line connecting crucial events, any of which, if delayed, affects subsequent events, and ultimately, the completion of the project is called the ________ Path.
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Network Diagram: A graphical method of representing a project with nodes and ________.
Network Diagram: A graphical method of representing a project with nodes and ________.
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Activity List: A list of jobs in a project with their immediate predecessors, expected times, and ________ required.
Activity List: A list of jobs in a project with their immediate predecessors, expected times, and ________ required.
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Study Notes
PERT/CPM Overview
- PERT/CPM stands for Program Evaluation Review Technique/Critical Path Method
- It is a method for scheduling and controlling projects
- Developed in the 1950s, with PERT being used in the US Navy's Polaris Nuclear Submarine Project
PERT Network
- A network of nodes and arrows that determine the critical activities
- Determines the critical path and slack times for each activity
- Consists of nodes, branches, and arcs
Key Terms
- Activity: a job to be completed as part of the project, signified by a branch in a PERT network
- Event: the completion of all activities leading into a node in a PERT network
- Node: a circle in a PERT network indicating the completion of certain activities and the initiation of others
- Branch: a line in a PERT network indicating an activity
- Path: a sequence of activities leading from one node to another
- Critical Path: a sequence of activities that determines the longest path through the network, yielding the minimum time in which an entire project can be completed
Key Concepts
- Slack: the amount of time an activity can be delayed without affecting the overall project timeline
- Expected Time (ET): calculated as (a + 4m + b) / 6, where a is the optimistic time, m is the most probable time, and b is the pessimistic time
- Earliest Start (ES): the earliest time an activity can be started after the completion of its predecessor
- Earliest Finish (EF): the earliest time that an activity can be completed
- Latest Start (LS): the latest time that an activity can be started without delaying the start of any of its successors
- Latest Finish (LF): the latest time that an activity can be completed without delaying the start of any of its successors
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Description
Test your knowledge on Program Evaluation Review Technique (PERT) and Critical Path Method (CPM), methods used for scheduling and controlling projects. Learn about the network of nodes and arrows, critical activities, project progress review, and their origin in the U.S. Navy Polaris Nuclear Submarine Project.
