Third Year - BFCI

2010-2011

StorySix Blind Men

Industrious Mouse

2-2

System Analysis

2-3

Example

Organizations

Organizations are composed of interrelated and interdependent subsystems.

System and subsystem boundaries and environments impact on information system analysis and design.

2-4

Systems Analysis and DesignKendall & KendallSixth Edition

Organizational Environment

Community environmentGeographicalDemographics (education, income)

Economic environmentMarket factorsCompetition

Political environment State and local government

2-5

Systems Analysis and DesignKendall & KendallSixth Edition

2-6

Open and Closed Systems

Systems are described as eitherOpen○ Free-flowing information.○ Output from one system becomes input

to another.

Closed with restricted access to information○ Limited by numerous rules.○ Information on a need to know basis.

2-7

Systems Analysis and DesignKendall & KendallSixth Edition