Multiple choice Which was world's first Minicomputer and when was it introduced? PDP-1, 1958. IBM System/36, 1960. PDP-II, 1961. VAX 11/780,1962. Reveal answer Fill a bubble to check yourself A Correct answer Explanation The PDP-1 (Programmed Data Processor-1), released by Digital Equipment Corporation (DEC) in 1959/1960, is widely recognized as the first commercial minicomputer.