Jerry
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Welcome! (start here)
Natural Philosophy
Science
Energy
Local Power
Human-Powered Stuff
Human Computers
Computers
Types of Computer
Mainframes
Attachments
Mainframe computer
Parents
Dumb Terminals and Mainframes
Types of Computer
Children
Amdahl Corporation (1970)
Bigger Computers Are More Cost Effective (said Grosch)
Hercules Mainframe Emulator
IBM Mainframes
ICL 2900 Series (1974)
Mainframe Software
Unisys (1986 merger of Sperry and Burroughs)
Why Old Technologies Are Still Kicking