Industrial Engineering and Production Management
A big advantage of PERT over Gantt charts is that in the former case

Activities and events are clearly shown
Early start and late finish of an activity are clearly marked
Activity times are clear
Interrelationship among activities is clearly shown

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Industrial Engineering and Production Management
Scheduling

Is concerned with starting of processes
Determines the programme for the operations
Prescribes the sequence of operations to be followed
Regulates the progress of job through various processes

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