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What is MS-DOS?
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- Multipurpose System Digital Offline Sign
- Microsoft Disk Operating System
- Multi-System Disk Operating System
- Microchip Sign Digital System
Correct Option: B
MS-DOS stands for Microsoft Disk Operating System. It is a discontinued operating system for x86based personal computers mostly developed by Microsoft. It was the main operating system for IBM PC compatible personal computers during the 1980s and 1990s.