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VT220

The VT200 series is a family of computer terminals introduced by Digital Equipment Corporation (DEC) in November 1983. The VT220 was the basic version, a text-only version with multi-lingual capabilities. The VT240 added monochrome ReGIS vector graphics support to the base model, while the VT241 did the same in color. The 200 series replaced the…

Legacy, Companies & Products

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Explore the main themes, entities and connections around VT220. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Hardware

Intel 8051MicrocontrollerCRTsPhosphorsVT50s
17 related topics

Software

Character setsNational Replacement Character Set8-bit cleanControl charactersROM
8 related topics

Escape key controversy

Escape keyTECO
2 related topics

Legacy

Model M
1 related topics

Key facts & relationships

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

Connectivity
RS-232 serial 20 mA current loop DE-9 serial printer port
CPU
Intel 8051 @ 11.0592 MHz
Display
12 in (30 cm) CRT 80x24 characters
Input
LK201 keyboard
Introductory price
US$1,295 (equivalent to $4,200 in 2025)
Manufacturer
DEC

Topics to explore

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Overview

Hardware

Software

Escape key controversy

Legacy

Advanced semantic analysis

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Map overview Semantic statistics

VT220

Nodes42
Edges41
Triples56
Avg. degree1.95
Density0.047619
Components1

How this topic connects Entity context

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VT220

Top relations

related to Legacy · 13
VT220 → ANSI, Eventually, IBM, IBM Model, IBM PC, IBM's, In, ISO, Key, LK201, Model, Through, VT220's
related to Software · 11
VT220 → ANSI, ASCII, DEC Special Graphics, Display Controls, Glyphs, ROM, The, The VT220, This, Using, VT100
related to Hardware · 10
VT220 → CRT, CRTs, Intel, The, The VT100s, The VT200s, The VT220, This, VT100, VT50s
related to Escape key controversy · 5
VT220 → Escape, For, Prior, TECO, The VT220
related to External links · 4
VT220 → Coded Character Sets, Control Functions, Kermit, VT320 Function Key MappingVT220
see also · 2
VT220 → ANSI, VT100
Connectivity · 1
VT220 → RS-232 serial 20 mA current loop DE-9 serial printer port
CPU · 1
VT220 → Intel 8051 @ 11.0592 MHz
Display · 1
VT220 → 12 in (30 cm) CRT 80x24 characters
Input · 1
VT220 → LK201 keyboard

Important terminology Word statistics

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

Important terminology

dec character series terminal characters vt100 keyboard sets could used set terminals much vt200 key rom monitor using version vt240

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
VT220ConnectivityRS-232 serial 20 mA current loop DE-9 serial printer port1.00infobox
VT220CPUIntel 8051 @ 11.0592 MHz1.00infobox
VT220Display12 in (30 cm) CRT 80x24 characters1.00infobox
VT220InputLK201 keyboard1.00infobox
VT220Introductory priceUS$1,295 (equivalent to $4,200 in 2025)1.00infobox
VT220ManufacturerDEC1.00infobox
VT220Memory16 KB RAM 24 KB ROM 256 byte NVRAM1.00infobox
VT220PredecessorVT1001.00infobox
VT220ReleasedNovember 1983 (1983-11)1.00infobox
VT220SuccessorVT3201.00infobox
VT220TypeComputer terminal1.00infobox
VT220related to Escape key controversyPrior0.60section

Related concept clusters Concept neighborhoods

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