What are the five early computers? Retro Delight: Gallery of Early Computers (1940s – 1960s) Z4. Year: 1944. Colossus. Year: 1944. ENIAC. Year: 1946. Whirlwind. Year: 1951. UNIVAC I. Year: 1951. WITCH. Year: 1951. BESK. Year: 1953. IBM 702. Year: Read more…