PERENCANAAN SISTEM INFORMASIPertemuan-12
Mata Kuliah : CSS-113 , Konsep Sistem InformasiTahun Akademik : 2012 / 2013
Sasaran Pembelajaran
Pada akhir pertemuan ini, diharapkan mahasiswa akan mampu :Memilih strategi sistem informasi yang sesuai dengan perkembangan organisasi 12--1
Materi Pokok
• Proses perencanaan sistem informasi• Strategi alignment dari bisnis IT• Memilih sistem IT untuk investasi
12--2
Information Systems Planning
• Process of Information System Planning• Strategic Alignment of Business and Information
Technology• Selecting Systems to Invest In• Project Management• Role of Systems Analysis
12--3
Introductory Case…
• Owens Corning SAP installation– Badly needed– Very costly– Will it pay back?– What could have gone wrong?– What still can go wrong?– What did they do right?– Did you like the project team approach?– Should they have done it differently?
12--4
A WCA approach...
• CUSTOMER
– Building supply companies and contractors that purchase building materials from Owens Corning
• PRODUCT
– Reengineered work systems that aremore responsive to market needs
12--5
WCA, continued...
• BUSINESS PROCESS
– Major steps:• Create a vision for how company operations should change• Select SAP R/3 as the approach for improving information systems• Create a large project team at headquarters• Analyze how to use SAP• Install SAP on computers• Train people to use it• Use SAP in practice
– Rationale:• Replace multiple, incompatible information systems with
an integrated information system that makes it possible to serve customers more effectively.
12--6
WCA, continued...
• PARTICIPANTS– Project team consisting of half business professionals and half IS
professionals– Users who were trained and then used the new information system
• INFORMATION – Company strategy– Project goals– Details of business operations– Selected options for using SAP
• TECHNOLOGY– SAP R/3 software package– Computers and other hardware
12--7
Process of Information System Planning
• What is an information system plan?• Challenges in IS planning• Principles for IS planning• Role of IS and user departments• Allocating (and reallocating) resources• Project roles of IS staff
12--8
What is an information system plan?
• Who– is responsible for each part of the plan
• What– does IS need to do
• When– do things need to be completed
• How– Will we do it (what technology)
• What is the desired result?
12--9
Why is IT planning challenging?
• Difficult to foresee and assess opportunities• Difficult to mesh with organizational plans &
objectives• Tough to build systems– Owens Corning case…
• Difficult to maintain system performance– Saga of web registration at UNC
12--10
Principles for IS Planning
• Support organizations IT architecture– what is an IT architecture?
• Technology is part of the system, not all• Recognize life cycle costs• Design for maintainability• Remember the humans!• Support the evolution of the technical system
12--11
Roles of IS and users
• IS department produces IS plan…but can’t do it in a vacuum– Need help and input from the users
• User roles (what are these?)– Sponsors– Champions– Steering committee
12--12
Resource allocation
• Maintaining existing systems and supporting users• New development, infrastructure, R&D– Important to do this; will often pay significant
benefits• Technical• Political
12--13
IT staff roles• Large system development projects involve many roles
such as the following -- can you define their roles?– Project managers
– Application programmers
– Systems analysts
– Programmer-analysts
– Technical writers
– Computer operators
– Database administrators
– System managers
– Systems programmers
– User support staffs 12--14
Strategic Alignment of Business and IT
• Reengineering & downsizing• Enterprise-wide and inter-organizational
systems• Information systems architecture– Let’s look at the Orange County template
12--16
Strategic Alignment of Business and IT
• Business infrastructure• Outsourcing– Good or bad? What’s your opinion?
12--18
Selecting systems to invest in
• Cost/benefit analysis• Risks• Financial comparisons (NPV, IRR, payback,etc.)
12--19
Project Management Issues• Division of labor– IS department– Users
• Keeping on schedule…– Gantt chart
12--20
A Gantt chart in action…
• Take 5 minutes and develop a Gantt chart for the steps in buying a home audio system
12--22
Role of Systems Analysis• Information sources for analyzing systems– Interview– Inputs, outputs and documentation of existing systems– On-site observation– Questionnaires – Benchmarking
• Interviews– Watch for• missing viewpoints• superficial information• distorted information
12--23
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