Clue: Computer operating system of old
We have 1 possible answer for the clue Computer operating system of old which appears 1 time in our database.
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Related Clues:
- Operations were once commonly performed in this
- Underpinnings of Windows 1.0
- PC debut of 1981
- Key to Microsoft's early success
- Early I.B.M. PC standard
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- It was run in the 1980s-'90s
- PC platform of old
- Microsoft disk-operating system
- Disk-operating system
- PCs once ran on it
- Precursor of Windows
- What Windows 1.0 was based on
- It ran on many clones
- Early PC system