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Virtual Control Program Interface

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. It was supplanted by DOS Protected Mode Interface (DPMI) shortly after being introduced, due in large part to…

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Abbreviation
VCPI
Domain
Application programming interfaces
Organization
Phar Lap Software, Quarterdeck Office Systems, A.I. Architects, Lotus Development Corp., Quadram, Qualitas, Rational Systems
Status
Published
Year started
1989; 37 years ago (1989)

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Overview

Extended VCPI

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Virtual Control Program Interface

Nodes35
Edges34
Triples9
Avg. degree1.94
Density0.057143
Components1

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Virtual Control Program Interface

Top relations

related to Further reading · 4
Virtual Control Program Interface → Phar Lap Software, Quarterdeck Office Systems, Retrieved, Version
Abbreviation · 1
Virtual Control Program Interface → VCPI
Domain · 1
Virtual Control Program Interface → Application programming interfaces
Organization · 1
Virtual Control Program Interface → Phar Lap Software, Quarterdeck Office Systems, A.I. Architects, Lotus Development Corp., Quadram, Qualitas, Rational Systems
Status · 1
Virtual Control Program Interface → Published
Year started · 1
Virtual Control Program Interface → 1989; 37 years ago (1989)

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Important terminology

dos vcpi mode systems windows protected dpmi software phar lap virtual program run quarterdeck office interface 1989 lotus support memory

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Virtual Control Program InterfaceAbbreviationVCPI1.00infobox
Virtual Control Program InterfaceDomainApplication programming interfaces1.00infobox
Virtual Control Program InterfaceOrganizationPhar Lap Software, Quarterdeck Office Systems, A.I. Architects, Lotus Development Corp., Quadram, Qualitas, Rational Systems1.00infobox
Virtual Control Program InterfaceStatusPublished1.00infobox
Virtual Control Program InterfaceYear started1989; 37 years ago (1989)1.00infobox
Virtual Control Program Interfacerelated to Further readingVersion0.60section
Virtual Control Program Interfacerelated to Further readingPhar Lap Software0.60section
Virtual Control Program Interfacerelated to Further readingQuarterdeck Office Systems0.60section
Virtual Control Program Interfacerelated to Further readingRetrieved0.60section

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