A Detour: The Evolution of Computers

Mainframes (Big Iron)

ÖIBM, CDC, Amdahl

ÖProprietary software

ÖFORTRAN, COBOL

ÖBatch, time-sharing

Minicomputers

ÖDEC, Data Gen, HP

ÖPDP, Vax

ÖC, Unix

Microcomputers

ÖHand calculators

ÖTRS, Apple, IBM

ÖHobby kits -> PCs

Supercomputers

ÖVector processors

ÖCray, IBM, Fujitsu

ÖParallel processors

ÖMassively parallel

Networking

ÖLANs, Ethernet

ÖClient-server systems

ÖArpanet, NSFnet, Internet

Batch

Time-sharing

Personal

Collaborative

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