La Evolucion De Microsoft

1985 - Windows 1.0 

The first independent version of Microsoft Windows, version 1.0, was released on November 20, 1985 and employed 55 programmers. Windows 1.0 had very little functionality and achieved little popularity, probably because applications were not bringing the necessary power for business users. However, allowing the use of mouse, pull-down menus and on-screen graphics and independent printer/

1987 - Windows 2.0 

Windows 2.0 is 16-bit Microsoft Windows graphical user interface-based operating system that was released in November 1987 and replaced Windows 1.0. With Windows 2.1x in 1988, Windows 2.0 was supplemented with Windows/286 and Windows/386. Windows 2.0, Windows/386 Windows/286 and were replaced by Windows 3.0 in May 1990, but with support from Microsoft for 14 years until December 31, 2001.

1990 - Windows 3.0 

Microsoft Windows achieved significant success with version 3.0 released in 1990. With the introduction of virtual memory, Windows 3.0 allowed better use of multitasking.

Also the improved graphics available on PCs (through VGA video cards) and the Protected / Enhanced mode which allowed Windows applications to use more memory in a better way than in DOS.

Windows 3.0 could run on Real modes, Standard or Enhanced 386 (or extended), and compatible with Intel processors from 8086/8088 to 80286 and 80386.

1992 - Windows 3.1

In response to the impending release of OS / 2 v2.0, Microsoft developed Windows 3.1 in 1992, which included many improvements to Windows 3.0 and bug fixes, support multimedia and stopped supported the Real mode. Only ran on an 80286 or higher.

Other features of Windows 3.1: True Type font support, OLE, API support multimedia and network.

1995 - Windows 95

After Windows 3.11, Microsoft began developing a new operating system version aimed at consumers, under the codename Chicago. Chicago was designed to have support for preemptive multitasking like OS / 2 and Windows NT, although a 16-bit kernel would remain for backward compatibility simplify.

The Win32 API first introduced in Windows NT was adopted as a standard programming interface for 32-bit support for Win16 preserving through a technique known as "thunking" ·

1996 - Windows NT 4.0 

Windows NT 4.0 was the fourth version of the operating system Microsoft Windows NT, released in 1996. It is a Windows 32-bit system available for workstations and servers with versions similar to Windows 95 GUI.

While offering greater stability than Windows 95, was less flexible from the perspective of a desktop computer. Much of the stability was achieved through virtualization Hardware and taking applications accessed the system via APIs instead of directly using the hardware as was done in MS-DOS, a practice that continued with Windows 95.

1998 - Windows 98 

Windows

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