Information systems within Organizations

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Information systems within Organizations

For my case study I have been asked to choose a medium to a large sized organization and write a report explaining the how the company uses 2 of the following information system.

* Transaction processing systems

* Management information systems

* Decision support systems

I have decided to do a case study on Tesco Supermarkets which is a well know supermarket in the UK. Tesco's offer food, clothing, electrical goods and general household items, they also prove car and house insurance. Tesco controls over 30% of the grocery market in the UK and in 2007 the supermarket chain announced over £2.55 billion in profits. 1

Tesco's have also decided to enter the housing market by launching a self advertising website named Tesco Property Market.2

For each topic I will need to explain the following:

* Draw a diagram summarizing the links between the various parties using the system

* Describe what the system does and outline the benefits offered by the system compared to the time before the system was introduced

* Outline any possible problems the system might encounter, and what can be done