CE Information Systems in Industry Lecture 6 Using Information Systems in an Enterprise Delivered by Dave Thomas, K235 e: w:

Slide 2 of 11 Content

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

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

Slide 5 of 11 Remember this? Operational Middle Strategic

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

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

Slide 8 of 11 The CASP architecture

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?

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

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?