Introduction to Information Systems, Whiteley, Palgrave Macmillan

Chapter 13
From DP to Desk Top

Chapter Summary

Systems range in size from single user desk top applications to corporate information systems with hundreds or thousands of users. The software may be bought in or could have been developed specifically for the application. Bought-in applications range in size (and price) from the ubiquitous Microsoft package to large enterprise resource planning (ERP) systems. This range of systems requires a range of IT provision, starting with the desk top PC and ranging up to the central mainframe or corporate server.
In this chapter we identify four categories of information system provision:

Corporate (strategic) systems.
Functional support systems.
End user systems.
Office support systems.
Each of these categories will tend to have a different software and IT provision. All of them will be networked to form the IT infrastructure of the organisation.

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	Chapter 13 From DP to Desk Top
	Chapter Summary Systems range in size from single user desk top applications to corporate information systems with hundreds or thousands of users. The software may be bought in or could have been developed specifically for the application. Bought-in applications range in size (and price) from the ubiquitous Microsoft package to large enterprise resource planning (ERP) systems. This range of systems requires a range of IT provision, starting with the desk top PC and ranging up to the central mainframe or corporate server. In this chapter we identify four categories of information system provision: Corporate (strategic) systems. Functional support systems. End user systems. Office support systems. Each of these categories will tend to have a different software and IT provision. All of them will be networked to form the IT infrastructure of the organisation.



	Link to Exercises for Chapter 13
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