Project management acronyms: In network planning, CPM stands for which term?

Difficulty: Easy

Correct Answer: Critical Path Method

Explanation:


Introduction / Context:
CPM is a fundamental technique in project management for planning, scheduling, and controlling complex projects by identifying the longest path of dependent activities that determines the minimum project duration.



Given Data / Assumptions:

  • Activities with specified durations and precedence relationships.
  • No resource leveling in the basic algorithm.
  • Deterministic activity times in classic CPM (PERT uses probabilistic times).


Concept / Approach:
Critical Path Method computes earliest and latest start/finish times, floats, and identifies the critical path with zero total float. Managing critical activities prevents schedule slippage.



Step-by-Step Solution:

Construct the activity-on-node network with dependencies.Perform forward pass to get earliest start/finish times.Perform backward pass to get latest start/finish times.Identify activities with zero float; their chain is the critical path.


Verification / Alternative check:
Compare computed project duration with simulation or historical benchmarks; changes in any critical activity immediately change total duration.



Why Other Options Are Wrong:
Alternative expansions are nonstandard; CPM universally abbreviates Critical Path Method.



Common Pitfalls:
Ignoring resource constraints and assuming durations are fixed; in practice, resource leveling may alter the critical path.



Final Answer:
Critical Path Method

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