1. CE 00879-3 Information Systems in Industry Lecture 6 Using Information Systems in an Enterprise Delivered by Dave Thomas, K235 e: d.t.thomas@staffs.ac.ukd.t.thomas@staffs.ac.uk w: www.fcet.staffs.ac.uk/dtt1www.fcet.staffs.ac.uk/dtt1

2. Slide 2 of 11 Content

3. Slide 3 of 11 What we will cover  Last time: What are information systems?  This time – Using IS  Who?  How?  Why?  Potential  The ‘and finally’ slide

4. Slide 4 of 11 Who Uses IS?  Internal partners  Trading partners –Enterprises –Clients  Competitors

5. Slide 5 of 11 Remember this? Operational Middle Strategic

6. Slide 6 of 11 Different tiers  make different decisions  And require different data to do so –Internal v external –Operational v historical –Detail v summary –Routine v ad hoc

7. Slide 7 of 11 Information needs of management tiers Operational Middle Strategic Information Needs Longer term Internal\External Big picture summaries Ad hoc \ Woolly Medium Term Internal Trends\Summaries Targets and actual Better defined Immediate term Detailed Internal Tools Ad hoc reporting KM Data mining OLAP\MI tools DSS MI TP systems Routine reporting

8. Slide 8 of 11 The CASP architecture

9. Slide 9 of 11 How which ISs are used for what?  Internal\External  Tiers –Strategic –Middle –Operational  IS –Strategic –Factory –Turnaround –Support  Type –TP –DSS –OLAP\MI –KM etc  Funding –Investment –Cost –Other?

10. Slide 10 of 11 Typical Evolution of ISs Gibson and Nolan, 1974

11. Slide 11 of 11 And finally  We have covered: –Users of Enterprise IS –How IS are used –Why IS are used –Potential that IS can release –Some historic aspects of IS development  It is up to you to relate these things (in your tutorial at least)  Any questions?