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TM-62 Computer generations and noteworthy
developments Return to Lecture
Notes First generation (1951-1958) Third generation (1965-1970) • Vacuum tube machines
o Integrated circuits used •
UNIVAC I introduced
o IBM System/360 introduced •
Punched-card-orientation
o Operating systems •
Magnetic drum memory
o BASIC and RPG introduced •
Transaction processing focus
o Minicomputers introduced •
Machine and assembly languages Word processing Second generation (1959-1964) Fourth generation (1971-present) • Transistor machines o Microminiaturized integrated
circuits •
Tape and disk secondary storage
o Microcomputer revolution begins •
Magnetic-core memory
o Fourth-generation languages •
Modular hardware elements
o Decision support systems •
High-level programming languages
in Information resources
management •
Communications satellites
Fifth generation
(emerging) •
Airlines passenger
reservations systems Artificial
intelligence applications •
Management information systems Return to Lecture
Notes Copyright @ 1996 by The Dryden Press.
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