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Virtual Control Program Interface and Virtual DOS machine

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Virtual Control Program Interface and Virtual DOS machine

Virtual Control Program Interface vs. Virtual DOS machine

In computing, the Virtual Control Program Interface (VCPI) is a specification published in 1989 by Phar Lap Software that allows a DOS program to run in protected mode, granting access to many features of the processor not available in real mode. Virtual DOS machines (VDM) refer to a technology that allows running 16-bit/32-bit DOS and 16-bit Windows programs when there is already another operating system running and controlling the hardware.

Similarities between Virtual Control Program Interface and Virtual DOS machine

Virtual Control Program Interface and Virtual DOS machine have 15 things in common (in Unionpedia): Addison-Wesley, Digital Research, DOS, DOS extender, DOS Protected Mode Interface, EMM386, Intel, Microsoft, Multiuser DOS, OS/2, Protected mode, Real mode, Virtual 8086 mode, Windows 3.0, Windows NT.

Addison-Wesley

Addison–Wesley is an American publisher of textbooks and computer literature.

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Digital Research

Digital Research, Inc. (DR or DRI) was a privately held American software company created by Gary Kildall to market and develop his CP/M operating system and related 8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, FlexOS, Multiuser DOS, DOS Plus, DR DOS and GEM.

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DOS

DOS is a family of disk-based operating systems for IBM PC compatible computers.

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DOS extender

A DOS extender is a computer software program running under DOS that enables software to run in a protected mode environment even though the host operating system is only capable of operating in real mode.

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DOS Protected Mode Interface

In computing, the DOS Protected Mode Interface (DPMI) is a specification introduced in 1989 which allows a DOS program to run in protected mode, giving access to many features of the new PC processors of the time not available in real mode.

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EMM386

EMM386 is the expanded memory manager of Microsoft's MS-DOS, IBM's PC DOS, Digital Research's DR-DOS, and Datalight's ROM-DOS which is used to create expanded memory using extended memory on Intel 80386 CPUs.

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Intel

Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, and incorporated in Delaware.

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Microsoft

Microsoft Corporation is an American multinational corporation and technology company headquartered in Redmond, Washington.

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Multiuser DOS

Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.

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OS/2

OS/2 (Operating System/2) is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci.

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Protected mode

In computing, protected mode, also called protected virtual address mode, is an operational mode of x86-compatible central processing units (CPUs).

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Real mode

Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs.

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Virtual 8086 mode

In the 80386 microprocessor and later, virtual 8086 mode (also called virtual real mode, V86-mode, or VM86) allows the execution of real mode applications that are incapable of running directly in protected mode while the processor is running a protected mode operating system.

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Windows 3.0

Windows 3.0 is the third major release of Microsoft Windows, launched in 1990.

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Windows NT

Windows NT is a proprietary graphical operating system produced by Microsoft as part of its Windows product line, the first version of which, Windows NT 3.1, was released on July 27, 1993.

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The list above answers the following questions

Virtual Control Program Interface and Virtual DOS machine Comparison

Virtual Control Program Interface has 33 relations, while Virtual DOS machine has 110. As they have in common 15, the Jaccard index is 10.49% = 15 / (33 + 110).

References

This article shows the relationship between Virtual Control Program Interface and Virtual DOS machine. To access each article from which the information was extracted, please visit: