Before Windows arrived, PCs came with Microsoft’s MS-DOS operating system.
What is the first operating system?
The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors’ Research division for its IBM 704. Most other early operating systems for IBM mainframes were also produced by customers.
What operating system was before Windows 10?
Personal computer versions
| Name | Codename | Version |
|---|---|---|
| Windows 7 | Windows 7 | NT 6.1 |
| Windows 8 | Windows 8 | NT 6.2 |
| Windows 8.1 | Blue | NT 6.3 |
| Windows 10 version 1507 | Threshold 1 | NT 10.0 |
What was the operating system before DOS?
The system was initially named “QDOS” (Quick and Dirty Operating System), before being made commercially available as 86-DOS.
Who found operating system?
Gary Kildall: The Inventor of Operating System.
Who created operating system?
Ken Thompson was working at Bell Labs in New Jersey and was given the use of a PDP-7 minicomputer. He decided to create an operating system for the minicomputer for the convenience it provided even though there would be only one user.
What are the 5 operating system?
Five of the most common operating systems are Microsoft Windows, Apple macOS, Linux, Android and Apple’s iOS.
Is Windows 10 an operating system?
Windows 10 is the most recent version of the Microsoft Windows operating system. There have been many different versions of Windows over the years, including Windows 8 (released in 2012), Windows 7 (2009), Windows Vista (2006), and Windows XP (2001).