III Generation (1965 – 75) Small Scale Integration and Medium Scale Integration technology were implemented in CPU, I/O processors etc. Faster processors with magnetic core memories that were later replaced by RAM and ROM. This is when microprogramming was introduced as were operating system software. Database management, multi-user application, online systems like closed loop process control, airline reservation, interactive query systems, automatic industrial control, etc. emerged during this period.
Examples : System 360 Mainframe from IBM, PDP-8 Mini Computer from Digital Equipment Corporation.
