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History of DOS: MS-DOS 1.0

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Questions and Answers

Who developed the CP/M operating system?

Tim Paterson
Bill Gates
Steve Jobs
Gary Kildall (correct)

Which company did Microsoft buy QDOS from?

Seattle Computer Products (correct)
Intel
IBM
Digital Research

Where did Tim Paterson work when he developed QDOS?

Digital Research
Microsoft
Apple
Seattle Computer Products (correct)

Which CPU was QDOS initially developed for?

Intel 8086 (A) Signup and view all the answers

When was the first version of MS-DOS 1.0 shipped?

August 1981 (A) Signup and view all the answers

Which company launched the IBM PC in August 1981?

IBM (C) Signup and view all the answers

What was the original name of MS-DOS 1.0 before it was renamed by Microsoft?

QDOS (D) Signup and view all the answers

Who developed QDOS as a clone of the CP/M operating system for the Intel 16-bit 8086 CPU?

Tim Paterson (D) Signup and view all the answers

Which company did Microsoft purchase QDOS from before renaming it MS-DOS 1.0?

Seattle Computer Products (D) Signup and view all the answers

What was the main purpose of developing QDOS by Tim Paterson?

To create a clone of CP/M for Intel CPUs (B) Signup and view all the answers

Who wrote the CP/M operating system that inspired the creation of QDOS?

Gary Kildall (A) Signup and view all the answers

What significant event took place in July 1981 related to the development of MS-DOS 1.0?

Microsoft bought QDOS from Seattle Computer Products (A) Signup and view all the answers