Resume KSI 8

Sistem informasi dibagi menjadi :

1.      Information system planning: translating strategic and organizational goals into systems development initiatives

2.      Aligning organizational goals and IS goals

3.      Developing a competitive adventage

Establishing objectives for systems development

1.      Overall objective of systems development: achieve business goals, not technical goals

2.      Critical success factors (CSFs)

3.      Goals defined for an organization also define objective

Establishing objective for systems development

1.      Performance objective

2.      Cost objective

Systems analysis and design

1.      SA & D

2.      Two most common approaches to SA & D

Systems investigation stage

1.      How we havebussiness opportunities?

2.      What areour bussiness priorities?

3.      How can informationtechnologies provide information system solution that addressour bussiness priorities?

Feasibility study

A preliminary study where?

a.       The information needsof prospactive users

b.      The resource requirements, cost, benefits

c.       And feasibilityof a proposed project

Are determined

Macam-macam studi kelayakan

·         Operational feasibility

·         Economic feasibility

·         Technical feasibility

·         Human factors feasibility

·         Legal/Political feasibility

Operational feasibility

·         Supports the business priorities of the organization

·         Solves the identified problem

·         Fits within the existing organizational structure

Schedule feasibility – can we solve the problem in a reasonable period

Economic feasibility

¨      Assests

1.      Cost savings

2.      Increase revenue

3.      Decreased investment requirements

4.      Increased profits

¨      Cost/benefit analysis

Cost/benefit analysis

¨      Tangible costs and benefits can be quantified with a degree of certainy

-          Example: decrease in opening costs

¨      Intangible costs and benefits are harder to estimate

-          Example: improved customer service

Tecnical feasibility

·         Determine if reliable hardware and software capable of meeting the needs of a proposed system can be acquired or developed by the business in the required time

-          Hardware

-          Software

-          Network

Human factord feasibility

·         Assets

-          Employee, customer, supplier acceptance

-          Management support

-          The right people for the various new or revised roles

Legal/political feasibility

·         Assets

-          Possible patent or copyright violations

-          Software licensing for developer side only

-          Govermental restrictions

-          Changes to existing reporting structure

System analysis

·         An in-depth study of end user information needs

·         That produces functional requirements that are used as the basis for the design of a new information system