Question: ITC 240 System Analysis and Design Assignment 1 1. Why is it important to use systems analysis and design methodologies when building a system? Why

ITC 240 System Analysis and Design Assignment 1 1. Why is it important to use systems analysis and design methodologies when building a system? Why not just build the system in whatever way seems to be "quick and easy (1 mark) 2. Assume that you have a project with SEVEN activities labeled A-G. Derive the earliest completion time (ECT), latest completion time (LCT) and the slack for each of the following tasks (start at time = 0). Which tasks are on the critical path? Draw a network diagram for the tasks shown. Highlight the critical path in the network diagram Activity ECT LCT Slack Critical Path? Preceding Event(s) Expected Duration S 3 A B A A 4 D 0 2.C 4 F 1 D D,E,F 0 5 (2 mark) 3. Construct a PERT chart using the following data. For each activity, identify its early start time, late start time, early finish time, late finish time, and slack. Identify the critical path. Activity Pessimi Optimate Time Expected Time Preceding Task Time Realne Time 6 9 5 11 7 3 8 11 7 13 10 9 4 9 C.D

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