History
DEC developed the 16-bit PDP 11 as a response to the introduction of the Data General NOVA, which had a 16-bit word length; DEC's previous PDP-8 had only 12 bit words. The PDP 11 family was announced in January 1970 and shipments began early that year. DEC sold over 170,000 PDP-11s in the 1970s. Initially manufactured of small-scale Transistor–transistor logic, a single-board large scale integration version of the processor was developed in 1975. A single-chip processor, the J-11 was developed in 1979. The last models of the PDP-11 line were the PDP-11/94 and -11/93 introduced in 1990.
Read more about this topic: PDP-11/44
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