Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

HP 2640

The HP 2640A and other HP 264X models were block-mode "smart" and intelligent ASCII standard serial terminals produced by Hewlett-Packard using the Intel 8008 and 8080 microprocessors.

History, Art, Standards & Products

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around HP 2640. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Functionality

Models

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

HP 2640

Nodes61
Edges60
Triples52
Avg. degree1.97
Density0.032787
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

HP 2640

Top relations

related to history · 33
HP 2640 → All, Almost, APL, April, Arabic, August, Based, BASIC, CPU, CPUs, Cyrillic-oriented, Danish/Norwegian-oriented, February, Hewlett-Packard, HP, In July, In October, In September, Intel, June
related to Models · 8
HP 2640 → Also, Another, HP, It, The, The HP, The HP2644A, These
related to External links · 5
HP 2640 → Attachmate, HP, Terminals, User's, YouTube

Important terminology Word statistics

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

Important terminology

hp terminal also terminals introduced could graphics used keys 2640 series character screen standard would memory display 2640a keyboard characters

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
DEL/3000instance ofThis would be supported by programs0.80text
VIEW/3000 which would map form data into runtime variablesinstance ofThis would be supported by programs0.80text
databasesinstance ofThis would be supported by programs0.80text
dim or underlineinstance ofSoftware enhancements which did not affect the appearance0.80text
but protectedinstance ofSoftware enhancements which did not affect the appearance0.80text
unprotected fields were also coded with embedded bytesinstance ofSoftware enhancements which did not affect the appearance0.80text
HP 2640related to External linksHP0.60section
HP 2640related to External linksAttachmate0.60section
HP 2640related to External linksUser's0.60section
HP 2640related to External linksTerminals0.60section
HP 2640related to External linksYouTube0.60section
HP 2640related to historyThe HP0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.