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See also: IBM mainframe, IBM minicomputer
Non-computer hardware
Keypunches and verifiers
Unit record equipment
Calculating devices
Typewriters
Computer hardware
Computers based on vacuum tubes (1950s)
Computers based on discrete transistors (1960s)
Computers based on integrated circuits (1964 to present)
(now: i/Series)
(was: NetFinity)
(now: p/Series)
Peripherals
Software