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3B series computers

The 3B series computers are a line of minicomputers made between the late 1970s and 1993 by AT&T Computer Systems' Western Electric subsidiary, for use with the company's UNIX operating system. The line primarily consists of the models 3B20, 3B5, 3B15, 3B2, and 3B4000. The series is notable for controlling a series of electronic switching systems for…

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Explore the main themes, entities and connections around 3B series computers. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Topics to explore

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Overview

History

3B high-availability processors

Minicomputers

Microcomputers

Advanced semantic analysis

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Map overview Semantic statistics

Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.

3B series computers

Nodes79
Edges78
Triples5
Avg. degree1.97
Density0.025316
Components1

How this topic connects Entity context

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Important terminology Word statistics

Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.

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Important terminology

system 3b2 unix 3b20d use computer 3b20s 3b 3b5 systems 3b4000 processor running disk computers models 3b15 32-bit two high

Entity relationships Subject–Predicate–Object triples

Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.
SubjectPredicateObjectConfidenceSrc
telecommunications after duplex failure of redundant essential disksinstance ofthe ability to continue essential software processing0.80text
the 2STP signal transfer pointinstance ofIt is still in use as of 2023 as a component of Nokia products0.80text
the 4ESSinstance ofIt is still in use as of 2023 as a component of Nokia products0.80text
5ESS switchesinstance ofIt is still in use as of 2023 as a component of Nokia products0.80text
which Nokia inherited from ATinstance ofIt is still in use as of 2023 as a component of Nokia products0.80text

Related concept clusters Concept neighborhoods

Clusters of nearby vocabulary surrounding the topic. Scan them for adjacent concepts and language you may have missed.

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

    Connections between topic areas Semantic bridges

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