4. 5536 Your company has decided that it needs a new sales recording system and that an off-the-shelf package is the bes

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4 5536 Your Company Has Decided That It Needs A New Sales Recording System And That An Off The Shelf Package Is The Bes 1 (24.37 KiB) Viewed 23 times

4. 5536 Your company has decided that it needs a new sales recording system and that an off-the-shelf package is the best solution. The main tasks have been identified and durations assessed as follows: A Draw up a functional requirements specification 4 weeks 3 weeks B Consider various relevant software packages and select one C Identify and specify the necessary hardware and communications equipment 2 weeks D Order the hardware and equipment 1 week E 2 weeks Identify the key package modifications needed to meet the functionality required F Modify the software package as necessary 8 weeks G 10 weeks Accept delivery and install all hardware and equipment needed for the package H Design a training plan 3 weeks T Set up a testing plan 3 weeks J Unit test all the amended package modules 4 weeks K Train the user L Full integration and acceptance testing 3 weeks 3 weeks 1 week M Implement the new system -B cannot start until A is completed. -C, E, H and I cannot start until B is completed. -D cannot start until C is completed. -F cannot start until E is completed. - G cannot start until D is completed. -J cannot start until F, G and I are completed. -K cannot start until H is completed. - L cannot start until J and K are completed. -M cannot start until L is completed. (a) Draw an activity-on-node diagram for these 13 projects tasks (A to M). Clearly label on the diagram, the earliest and latest start and finish times and float of each task. (b) Describe how each of the following changes to task duration (on their own) would affect the critical path and project duration. Task B - reduced to 1 week. (0) (ii) Task F - increased to 11 weeks. Task Greduced to 7 weeks. Identify three items of information regarding the planning and progress of a project that are shown on the activity network but could be displayed on a Gantt chart. (c)