# digital-equipment-corporation-dec > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed September 11, 2026. > Digital Equipment Corporation (DEC), founded in 1957 by Ken Olson and Harlan Anderson, began by building circuit modules and later released its first computer, the PDP-1, in 1961. DEC became known for its minicomputers, notably the PDP-8, and expanded into scientific computing with 36-bit machines and the successful PDP-10 timesharing computer. In 1976, they introduced the high-end VAX series, extending the PDP-11 architecture. The company faced financial difficulties in the 1990s and was acquired by Compaq in 1998, which was subsequently acquired by Hewlett-Packard in 2002. - Business Profile: https://optimly.ai/brand/digital-equipment-corporation-dec - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://computerhistory.org/ - Logo: https://logo.clearbit.com/computerhistory.org - Slug: digital-equipment-corporation-dec - Brand Authority Index tier: Emerging - Category: Personal Computers - Last Analyzed: September 11, 2026