Question

3. (8 points) Fill the table below by specifying the best method for the system to be implemented, together with the cost and risk issues of the selected method. Cases Implementation Method (Parallel, pilot, phased, direet) A supermarket chain has recently had a system upgrade commissioned. The software is ready for use but has not een tested The chain has many branches across he country A large company houses lots of networks over different sites. The company use different types of computer for different jobs eg. they use Apple Mac for designing graphical products and PCs for admin and office work. They want to upgrade some of their systems but are worried about software and hardware incompatibilities A small software company has recently upgraded their system. It was designed and tested in house and they know the system works. A school wants to upgrade its current computing facilities. It has four dedicated computer rooms and one mobile facility. They are on a limited budget but do need to upgrade their computers. Some rooms were updated more recently than others.

Answer 1

1)Direct

2)Phased- It is a method of changing from an existing system to a new one that takes place in stages.

3)Parallel- Do one or more things at same time.

4)Pilot- It involves rolling out the new system to a small group of users for testing and evaluation.

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