History of SIM

Technical Developments Business Developments

Double Entry Book Keeping 1400

1700 Industrial Revolution Industrial Economy 1700

1810 Babbage's Analytical Engine

1880 Hollerith - Punch Cards

1900 Fleming Invents the Diode Mass Production 1900

1930 Wilson 's EOQ Formula

1940 Theory of Computing

German Wartime Codes Cracked

First Stored Program Computer

1950 Bell Labs Develop High Level Language Centralized IT 1950

the Transistor Accounting Applications Management

1960 Integrated Circuits Manufacturing Applications 1960

On-line, Real-Time Systems

1970 Large scale Integration (LSI) New Applications (Eg. CAD) 1970

Micro-Computers

1980 IBM PC Launched De-Centralized IT Systems 1980 Strategic Information Systems

1990 Windows and GUIs Enterprise Resource Planning 1990

2000 WWW in common use E-commerce and E-Business 2000