Category:Computer-related introductions in the 20th century 15th16th17th18th19th20th21st22nd23rd24th25th Subcategories This category has the following 13 subcategories, out of 13 total. 0–9 Computer-related introductions in the 1900s (1 C) Computer-related introductions in the 1910s (4 C) Computer-related introductions in the 1920s (2 C) Computer-related introductions in the 1930s (6 C) Computer-related introductions in the 1940s (13 C) Computer-related introductions in the 1950s (14 C) Computer-related introductions in the 1960s (14 C, 1 P) Computer-related introductions in the 1970s (13 C, 6 P) Computer-related introductions in the 1980s (15 C, 3 P) Computer-related introductions in the 1990s (15 C, 4 P)I Internet properties established in the 20th century (3 C)P Programming languages created in the 20th century (6 C, 5 P)S 20th-century software (8 C)
