Join the discussion. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. No jargon. Pictures helped. Didn't match my screen. Incorrect instructions. We look at the history of Windows OS from to present day. The Windows operating system Windows OS for desktop PCs is more formally called Microsoft Windows and is actually a family of operating systems for personal computers.
Windows has traditionally dominated the personal computer world, running, by some estimates, more than 75 percent of all personal computers. Beginning in the early s, Windows dominance has lessened with the growth of the Linux and Mac operating systems.
Windows provides a graphical user interface GUI , virtual memory management, multitasking, and support for many peripheral devices. In addition to Windows operating systems for personal computers, Microsoft also offers operating systems for servers and mobile devices.
Subsequent versions have become increasingly sophisticated as they incorporated features of minicomputer operating systems. Introduced in , Microsoft Windows 1. In Microsoft released Windows 2. This version added desktop icons, keyboard shortcuts and improved graphics support.
Windows 3. Microsoft released Windows 3. Windows 95 was released in and was a major upgrade to the Windows operating system. This OS was a significant advancement over its precursor, Windows 3.
In addition to sporting a new user interface, Windows 95 also included a number of important internal improvements.
Perhaps most important, it supported bit applications, which meant that applications written specifically for this operating system would run much faster.
This resulted in the removal of many of the old DOS limitations, such as K of main memory and 8-character filenames. Other important features in this operating system were the ability to automatically detect and configure installed hardware Plug-and-Play. A version of the Windows operating system. Windows NT New Technology was a bit operating system that supported preemptive multitasking. Its most visible feature, though, was the Active Desktop, which integrated the Web browser Internet Explorer with the operating system.
Microsoft released four versions of Windows Professional for business desktop and laptop systems ; Server both a Web server and an office server ; Advanced Server for line-of-business applications ; and Datacenter Server for high-traffic computer networks.
Windows XP was released in Along with a redesigned look and feel to the user interface, the new operating system was built on the Windows kernel, giving the user a more stable and reliable environment than previous versions of Windows.
Windows XP came in two versions, Home and Professional. Microsoft focused on mobility for both editions and including plug-and-play features for connecting to wireless networks. The operating system also utilized the In real mode, a single program could write to any memory address on the on the computers hardware with no protection.
This only worked because you could only run one program at a time. Windows 3. The Command Prompt runs applications in protected mode, but these games require real mode. The original popular versions of Windows — think Windows 3. You could exit Windows and go back to DOS, which was actually necessary at the time. Windows 95 acted like an operating system of its own, but DOS always lurked in the background. These versions of Windows were still built on DOS. But there was a time when the Windows desktop was the new, user-friendly interface.
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