PDP-11

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PDP-11 topic overview

The analysis highlights History, Applications, Products and Companies as prominent areas in the source structure around PDP-11.

Related topics: 225
Source areas: 10
Connected nodes: 235
Extracted relationships: 372
Related term clusters: 37
Bridge connections: 235

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.

Models · 55 topics

Decline · 33 topics

Operating systems · 27 topics

Uses · 24 topics

Overview · 20 topics

Innovative features · 17 topics

History · 16 topics

Peripherals · 16 topics

LSI-11 integrated circuits · 15 topics

Emulators · 2 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.

Developer: Digital Equipment Corporation
Discontinued: 1997; 29 years ago (1997)
Lifespan: 1970–1997
Operating system: BATCH-11/DOS-11, DSM-11, IAS, P/OS, RSTS/E, RSX-11, RT-11, Ultrix-11, Seventh Edition Unix, SVR1, 2BSD
Platform: PDP-11 architecture
Product family: Programmed Data Processor

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PDP-11

416-bit computing · Minicomputer · Digital Equipment Corporation

6DEC Professional (computer) · Intel 8088 · Intel 80286

7Instruction set · Hardware register · Unibus

24Microprocessor · Intel · X86

3Throughput · Q-Bus · PDP-11 architecture

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.

History

Innovative features

LSI-11 integrated circuits

Peripherals

Emulators

For the semantics nerds

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

Advanced semantic analysis

How PDP-11 connects Entity context

The extracted context around PDP-11 shows recurring relationship patterns in the source. For example, PDP-11 → Bucharest, Bulgaria, CalData, CORAL, Czechoslovakia, DEC OSes, DEC PDP-11, DEC-compatible, DVK, East Germany, Eastern Bloc, Electronika, Electronika BK, FORTRAN, Hungary, IBM PC, ICE Felix, INDEPENDENT, ITC Timișoara, IZOT-1016 Another extracted example is PDP-11 → ALU, ASIC, Atmel, Based, DEC Q-Bus PDP-11, DECserver, DMA, DSRVS-BA, F-11, Faster, FPU, High, ICs, Improved, J-11, J11 CPU, Jaws-11, KB, KDJ11-SB, KXJ11. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Unlicensed clones · 53

PDP-11 → Bucharest, Bulgaria, CalData, CORAL, Czechoslovakia, DEC OSes, DEC PDP-11, DEC-compatible, DVK, East Germany, Eastern Bloc, Electronika, Electronika BK, FORTRAN, Hungary, IBM PC, ICE Felix, INDEPENDENT, ITC Timișoara, IZOT-1016

related to Q-bus models · 50

PDP-11 → ALU, ASIC, Atmel, Based, DEC Q-Bus PDP-11, DECserver, DMA, DSRVS-BA, F-11, Faster, FPU, High, ICs, Improved, J-11, J11 CPU, Jaws-11, KB, KDJ11-SB, KXJ11

related to Unibus models · 44

PDP-11 → AMD Am2901, Bob Armstrong, CIS, Cost-reduced, DEC Datasystem, Digital Equipment Corporation, F11, First VLSI PDP-11, Floating, Fonz-11, FP, FP11, I/O, J11, J11-based, Jaws-11, Jim O'Loughlin, John Sofio, KB, KS-11

related to Special-purpose versions · 39

PDP-11 → Carnegie Mellon University, Datalogics, Datalogics Pager, DECset, Digital, Digital's VAX/VMS, GT40, GT42, GT44, GT62, H11, Heathkit OEM, HP, HP DECset, Laboratory, LSI-11, LSI-11/03, MINC, MINC-11, MINC-23

related to From third parties · 36

PDP-11 → ANDOSCSI-DOSDEIMOS, BRL, Champaign/Datalogics, Decus, DEMOS, Denelcor HEPMERTMicropower PascalMK-DOSMONECSMTS, Duress, Edinburgh, Forth, Forth Inc, I/O, Illinois, Infosphere, LOS/C, Multi-Tasking System, MUMPSMUSS-11PC11, PDP-11ROSTTP, Per Brinch HansenSphere, Pilkington, Portland Oregon

related to LSI-11 integrated circuits · 15

PDP-11 → CPU, February, I/O, LSI, LSI Bus, LSI-11, MCP-1600, MOSFET, PDP-11/03, Q-Bus, RS-232, The CPU, The LSI-11, Unibus, Western Digital

related to Models that were planned but never introduced · 15

PDP-11 → Another, Commercial Instruction Set, DEC, I/O, Jaws-11, MB, PDP-11's, PDP-11/27, PDP-11/60, PDP-11/68, PDP-11/70, PDP-11/74, RSX-11, VAX, VAXBI Bus

related to Peripherals · 14

PDP-11 → CR11, DEC, DECtape, DECwriter, LA36, PDP-10, PDP-8, RD, RL02, RP, RS-232, RX02, RX33, VT50/VT52/VT100/VT220

related to Uses · 12

PDP-11 → Another, Datanet, PDP, PDP-11/23, PDP-11s, PRDS, Processed Radar Display System, RAF West Drayton, Some OEM, The PDP-11, Therac-25, UK's

related to From Digital · 10

PDP-11 → Cassette Programming System, CHRONIC Hierarchical Storage Controller, Commercial Operating SystemBATCH-11/DOS-11CAPS-11, Extended, OSRSTS/E, PDP-11/45, Resource Sharing Timesharing System, RSX-11RT-11TRAX, Transaction Processing, Ultrix-11OS/45

Important terminology

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

Important terminology

system memory processor dec 11 set used q-bus unibus instruction models systems also terminal based using operating digital series one

PDP-11 relationships Subject–Predicate–Object triples

TTTA extracted 372 structured relationships around PDP-11. Examples in this analysis include PDP-11 → Developer → Digital Equipment Corporation and PDP-11 → Discontinued → 1997; 29 years ago (1997). The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
PDP-11	Developer	Digital Equipment Corporation	1.00	infobox
PDP-11	Discontinued	1997; 29 years ago (1997)	1.00	infobox
PDP-11	Lifespan	1970–1997	1.00	infobox
PDP-11	Operating system	BATCH-11/DOS-11, DSM-11, IAS, P/OS, RSTS/E, RSX-11, RT-11, Ultrix-11, Seventh Edition Unix, SVR1, 2BSD	1.00	infobox
PDP-11	Platform	PDP-11 architecture	1.00	infobox
PDP-11	Product family	Programmed Data Processor	1.00	infobox
PDP-11	Released	1970; 56 years ago (1970)	1.00	infobox
PDP-11	Successor	VAX-11	1.00	infobox
PDP-11	Type	Minicomputer	1.00	infobox
PDP-11	Units sold	around 600,000	1.00	infobox
PDP-11	is a	series of 16-bit minicomputers originally sold by Digital Equipment Corporation	0.90	text
CP/M	instance of	influenced the design of operating systems	0.80	text

Related concept clusters Related term clusters

The concept neighborhoods around PDP-11 bring nearby vocabulary together. In this analysis, examples include Processor, Instruction and Set. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

PDP-11
- Processor
- Instruction
- Set
- Dec
- System
- Using
- Models
- Used
- Memory
- Q-bus
- Systems
- Design
pdp-11
- Processor
- Instruction
- Set
- Dec
- System
- Using
- Models
- Used
- Memory
- Q-bus
- Systems
- Design
digital equipment corporation
- Equipment
- Lsi-11
- Also
- Sold
- Operating
- Q-bus
- Processor
- Systems
- Cpu
- Data
- Models
- Architecture
programmed data processor
- Set
- Using
- Instruction
- Architecture
- Equipment
- Q-bus
- Based
- Sold
- Digital
- One
- Dec
- Processor
instruction set
- Instruction
- Set
- Using
- Processor
- Pdp-11
- Unibus
- Would
- Bus
- Lsi-11
- Models
- Q-bus
- Cpu
direct memory access
- Kb
- Bus
- Unibus
- Would
- Pdp-11
- Using
- System
- Peripherals
- Processor
- Use
- Lsi-11
- Systems
data general
- Equipment
- Sold
- Digital
- One
- Dec
- Processor
- Unibus
- Set
- Used
- Cpu
- Unix
- Memory
data general nova
- Equipment
- Sold
- Digital
- One
- Dec
- Processor
- Unibus
- Set
- Used
- Cpu
- Unix
- Memory

Connections between topic areas Semantic bridges

For PDP-11, one of the stronger structural bridges in this analysis connects PDP-11 with Models. 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

PDP-11 — Models · splits 180 ⟂ 56

PDP-11 — Decline · splits 202 ⟂ 34

PDP-11 — Operating systems · splits 208 ⟂ 28

PDP-11 — Uses · splits 211 ⟂ 25

PDP-11 — Overview · splits 215 ⟂ 21

PDP-11 — Innovative features · splits 218 ⟂ 18

PDP-11 — History · splits 219 ⟂ 17

PDP-11 — Peripherals · splits 219 ⟂ 17

PDP-11 — LSI-11 integrated circuits · splits 220 ⟂ 16

PDP-11 — Emulators · splits 233 ⟂ 3

Map overview Semantic statistics

PDP-11

Nodes236

Edges235

Triples372

Avg. degree1.99

Density0.008475

Components1

Source & methodology

TTTA analyzes the structure around PDP-11 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Applications, Products & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — PDP-11 · EN edition · Analysis: TopicsToTalkAbout

PDP-11: History, Applications, Products & Companies

PDP-11 topic overview

What this topic covers Research coverage

Key facts & relationships

Start with your topic. Discover where to go next.

Questions to explore

Explore all related topics Closing gaps

Overview

History

Innovative features

LSI-11 integrated circuits

Decline

Models

Operating systems

Peripherals

Uses

Emulators

For the semantics nerds

Advanced semantic analysis

How PDP-11 connects Entity context

PDP-11

Top relations

Important terminology

Important terminology

PDP-11 relationships Subject–Predicate–Object triples

Related concept clusters Related term clusters

Connections between topic areas Semantic bridges

Map overview Semantic statistics

PDP-11

Source & methodology