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Virtual Control Program Interface: Art, Overview & Extended VCPI

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…

Language: English [EN]
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Virtual Control Program Interface topic overview

The analysis highlights Art, Overview and Extended VCPI as prominent areas in the source structure around Virtual Control Program Interface.

Related topics
30
Source areas
2
Connected nodes
32
Extracted relationships
5
Related term clusters
26
Bridge connections
32

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 22 topics
Extended VCPI · 8 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

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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Virtual Control Program Interface
6Phar Lap (company) · DOS · Protected mode
14Quarterdeck Office Systems · Lotus Development Corp. · Quadram
8Intel Software Focus Group · Lotus Development Corporation · Digital Research

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Extended VCPI

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Virtual Control Program Interface connects Entity context

The extracted context around Virtual Control Program Interface shows recurring relationship patterns in the source. For example, Virtual Control Program Interface → VCPI Another extracted example is Virtual Control Program Interface → Application programming interfaces. Use these groups to spot repeated connection types before inspecting the individual relationships.

Virtual Control Program Interface

Top relations

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)

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

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

Virtual Control Program Interface relationships Subject–Predicate–Object triples

TTTA extracted 5 structured relationships around Virtual Control Program Interface. Examples in this analysis include Virtual Control Program Interface → Abbreviation → VCPI and Virtual Control Program Interface → Domain → Application programming interfaces. The table shows each extracted connection, where it came from and its confidence.

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

Related concept clusters Related term clusters

The concept neighborhoods around Virtual Control Program Interface bring nearby vocabulary together. In this analysis, examples include Control, Program and Virtual. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Virtual Control Program Interface
    • Control
    • Program
    • Virtual
    • Protected
    • Interface
    • Processor
    • Mode
    • Run
    • Dos
    • 0's
    • Published
    • Real
  • virtual control program interface
    • Control
    • Program
    • Virtual
    • Protected
    • Interface
    • Processor
    • Mode
    • Run
    • Dpmi
    • Dos
    • 0's
    • Published
  • phar lap software
    • Lap
    • Phar
    • Software
    • Office
    • Quarterdeck
    • Published
    • Systems
    • Extended
    • Lotus
    • Processor
    • Specification
    • Vcpi
  • dos
    • Protected
    • Mode
    • Dpmi
    • Vcpi
    • Windows
    • Interface
    • Program
    • Virtual
    • Memory
    • Run
    • Support
    • 0's
  • dos protected mode interface
    • Mode
    • Protected
    • Virtual
    • Run
    • Program
    • Vcpi
    • Dpmi
    • Programs
    • 0's
    • Windows
    • Processor
    • Real
  • dos box
    • Protected
    • Mode
    • Dpmi
    • Vcpi
    • Windows
    • Interface
    • Program
    • Virtual
    • Memory
    • Run
    • Support
    • 0's
  • virtual 8086 mode
    • Control
    • Program
    • Protected
    • Run
    • Interface
    • Processor
    • Vcpi
    • Mode
    • Programs
    • Virtual
    • Windows
    • Dpmi
  • intel's software focus group
    • Office
    • Quarterdeck
    • Systems
    • Extended
    • Lotus
    • Processor
    • Specification
    • Vcpi
    • Architects
    • Quadram
    • Qualitas
    • Real

Connections between topic areas Semantic bridges

For Virtual Control Program Interface, one of the stronger structural bridges in this analysis connects Virtual Control Program Interface with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Virtual Control Program Interface — Overview · splits 10 ⟂ 23
Virtual Control Program Interface — Extended VCPI · splits 24 ⟂ 9

Map overview Semantic statistics

Virtual Control Program Interface

Nodes33
Edges32
Triples5
Avg. degree1.94
Density0.060606
Components1

Source & methodology

TTTA analyzes the structure around Virtual Control Program Interface to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art, Overview & Extended VCPI, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Virtual Control Program Interface · EN edition · Analysis: TopicsToTalkAbout

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