Difference between pages "Paper tape" and "Microsoft Windows"

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'''Paper tape''' (also known as '''punched tape''') was an early form of [[secondary storage]], used primarily for input and output of data; it has been obsolete for many years.
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'''Microsoft Windows''' is a set of popular [[operating environment]]s beginning in the 1980s; the name also given to the later [[operating system]]s (NT, etc).
  
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It originated as a way of sending and receiving data via teletypes and teleprinters (effectively mechanical typewriters connected via [[serial line]]s). When early computers needed facilities for data input and output, existing punched tape machines were adapted for connection to them.
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The first two generations of Windows ran on top of [[MS-DOS]]. 16-[[bit]] [[real mode]] versions include 1.0.x and 2.0 for the 286 and 386.  
  
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Early paper tapes had 5 rows of holes, but the final versions had 8 rows; the 5-bit versions were used with Baudot teleprinter codes, an early predecessor to [[ASCII]].
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[[Windows 386]] v2.0.x included the 386 Virtual Machine Mode (VMM), effectively a type 2 [[hypervisor]] on top of MS-DOS for running 8086 [[virtual machine]]s via the v86 mode feature of the [[Intel 80386|386 processor]]. Windows itself was still a 16-bit real mode program, even running on the 386 VMM.
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16-bit [[protected mode]] versions of Windows include 3.0 and 3.1.  While capable of running on the 386, Windows itself was a 16-bit program, unable itself to exploit any 386 features, except for processor robust version of [[virtual memory]], and a Virtual-86 mode.
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32-bit hybrid protected/real mode versions include 95, 98 and Me.
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Pure 32bit versions are the NT based versions of [[Windows NT]], including NT 3.1, 3.5, 3.51, 4.0, 2000, XP, 2003, 2003r2, 2008, Vista, 2008r2, 7, 2012, 8, 2012r2, 8.1
  
 
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{{nav Microsoft Windows}}
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[[Category: Microsoft Operating Systems]]
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[[Category: DOS Enhancements]]

Revision as of 14:45, 4 January 2021

Microsoft Windows is a set of popular operating environments beginning in the 1980s; the name also given to the later operating systems (NT, etc).

The first two generations of Windows ran on top of MS-DOS. 16-bit real mode versions include 1.0.x and 2.0 for the 286 and 386.

Windows 386 v2.0.x included the 386 Virtual Machine Mode (VMM), effectively a type 2 hypervisor on top of MS-DOS for running 8086 virtual machines via the v86 mode feature of the 386 processor. Windows itself was still a 16-bit real mode program, even running on the 386 VMM.

16-bit protected mode versions of Windows include 3.0 and 3.1. While capable of running on the 386, Windows itself was a 16-bit program, unable itself to exploit any 386 features, except for processor robust version of virtual memory, and a Virtual-86 mode.

32-bit hybrid protected/real mode versions include 95, 98 and Me.

Pure 32bit versions are the NT based versions of Windows NT, including NT 3.1, 3.5, 3.51, 4.0, 2000, XP, 2003, 2003r2, 2008, Vista, 2008r2, 7, 2012, 8, 2012r2, 8.1


v • d • e Microsoft Windows Versions, Vendors and Related
16 bit - Windows 1.0 • Windows 2.0 • Windows 3.0 • Windows 3.1 • Windows 3.2

Hybrid 32/16 bit - win32s • Windows 95 • Windows 98 • Windows ME

32 bit - Windows NT 3.1 • Windows NT 3.5 • Windows NT 3.51• Windows NT 4.0

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