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VT420

The VT420 is an ANSI standard computer terminal introduced in 1990 by Digital Equipment Corporation (DEC). The 420 is the only model in the 400 series, replacing the VT320. There are no color or graphics-capable 400 series terminals; the VT340 remained in production for those requiring ReGIS and Sixel graphics and color support. The entire lineup of…

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Explore the main themes, entities and connections around VT420. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Key facts & relationships

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Connectivity
RS-232
Display
14" CRT 80x24 or 132x24 characters
Input
Computer keyboard
Manufacturer
DEC
Predecessor
VT320
Released
1990 (1990)

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Overview

Description

Advanced semantic analysis

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Map overview Semantic statistics

VT420

Nodes18
Edges17
Triples24
Avg. degree1.89
Density0.111111
Components1

How this topic connects Entity context

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VT420

Top relations

related to Description · 10
VT420 → Alternately, MMJ, TD/SMP, The VT420, Those, Using, VT320, VT330, VT330/340/420, VT340
related to References · 5
VT420 → DEC, Installing, Programmer Reference Manual, Using, VT420 Video Terminal
Connectivity · 1
VT420 → RS-232
Display · 1
VT420 → 14" CRT 80x24 or 132x24 characters
Input · 1
VT420 → Computer keyboard
Manufacturer · 1
VT420 → DEC
Predecessor · 1
VT420 → VT320
Released · 1
VT420 → 1990 (1990)
Successor · 1
VT420 → VT520
Type · 1
VT420 → Computer terminal

Important terminology Word statistics

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Important terminology

terminal series 400 dec vt320 character characters 1990 system introduced terminals vt100 sixel computer crt two models sessions using screen

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
VT420ConnectivityRS-2321.00infobox
VT420Display14" CRT 80x24 or 132x24 characters1.00infobox
VT420InputComputer keyboard1.00infobox
VT420ManufacturerDEC1.00infobox
VT420PredecessorVT3201.00infobox
VT420Released1990 (1990)1.00infobox
VT420SuccessorVT5201.00infobox
VT420TypeComputer terminal1.00infobox
VT420is aANSI standard computer terminal introduced in 1990 by Digital Equipment Corporation0.90text
VT420related to DescriptionThe VT4200.60section
VT420related to DescriptionVT3200.60section
VT420related to DescriptionVT3300.60section

Related concept clusters Concept neighborhoods

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    Min side: 3
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