Related Clues:
- First electronic computer
- Pioneer computer of 1946
- 1980's PC's ran on it
- Pioneering 1940s computer
- 30-ton computer
- Pioneering computer
- Computer with 18,000 vacuum tubes
- 1940s computer
- 'Bad command or file name' interface
- Early digital computer
- First all-purpose digital computer
- Kind of PC command
- Ancestor of today's computers
- '40s-'50s computer
- What we opened before we had Windows