PART I Foundations of Information Systems in Business Session 2 Concept of Information S ystems
HUANG Lihua, Fudan University Session 2 Concept of Information Systems PART I Foundations of Information Systems in Business
What is a SYSTEM? A system is a group of interrelated components working together toward a common goal by accepting inputs and producing outputs in an organized transformation process Components and their attribution Systems structure: relationship between components Systems structure Subsystems Environment and boundary Input and Output S1 Subsystems S2 Systems Boundary Systems Input $4 S3 Output Environment
HUANG Lihua, Fudan University Feb., - July., 2005 What is a SYSTEM? • A system is a group of interrelated components working together toward a common goal by accepting inputs and producing outputs in an organized transformation process. – Components and their attribution • Systems structure: relationship between components • Subsystems – Environment and Boundary – Input and Output S1 S2 S3 S4 Systems structure Subsystems Systems Boundary Environment Systems Input Output
Abstract Concept of a systems INPUT PROCESS OUTPUT FEEDBACK
HUANG Lihua, Fudan University Feb., - July., 2005 Abstract Concept of a Systems INPUT PROCESS OUTPUT FEEDBACK
EXample: a manufacturing system INPUT Manufacturing OUTPUT of of raw materials PROCESS finished products Control signals …5 Management%冬灬…% Contre Feedback/ Control by k Feedback System Boundary Environment
HUANG Lihua, Fudan University Feb., - July., 2005 Example: a manufacturing system INPUT of raw materials OUTPUT of finished products Manufacturing PROCESS Control by Management Control signals Control signals Feedback signals Feedback signals System Boundary Environment
O Pottery Company Organization Systems INPUT PROCESS OUTPUT Control …5 Management%冬灬…% Contre signals Feedback/ Control by k Feedback System Boundary Environment
HUANG Lihua, Fudan University Feb., - July., 2005 Pottery Company Organization Systems INPUT PROCESS OUTPUT Control by Management Control signals Control signals Feedback signals Feedback signals System Boundary Environment