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The disk operating system (MS-DOS) was originally written by whom?

51. The disk operating system (MS-DOS) was originally written by whom?

1. Bill Gates
2. Tim Paterson
3. John R. Opel
4. Mary Maxwell Gates

Answer

The correct answer is: B) Tim Paterson

Explanation

The disk operating system (MS-DOS) was originally written by Tim Paterson and it was introduced by Microsoft.