History of Desktop Computers By a.schultz.7642 Jan 1, 1941 Z3 Computer Konrad Zuse finishes the Z3 computer. Jan 1, 1952 EDVAC Web Space The EDVAC is completed. Jan 1, 1954 IBM Magnetic Drum Calculator IBM magnetic drum calculator established itself as the first mass-produced computer. Jan 1, 1965 PDP-8 Digital Equipment Corp. introduced the PDP-8, the first commercially successful minicomputer. Jan 1, 1971 Kenbak-1 Kenbak-1, the first personal computer, advertised for $750 in Scientific American. Jan 1, 1978 VAX 11/780 Vax 11/780 from Digital Equipment Corp. featured the ability to address up to 4.3 gigabytes of virtual memory. Jan 1, 1984 Macintosh Computer History Apple launched the first successful mouse-driven computer, the Macintosh. Jan 1, 1986 Sold History Over 30 million computers are used in the United States.