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Nascom: History, Measurement & Standards

The Nascom 1 and 2 were single-board computer kits issued in the United Kingdom in 1977 and 1979, respectively, based on the Zilog Z80 and including a keyboard and video interface, a serial port that could be used to store data on a tape cassette using the Kansas City standard, and two 8-bit parallel ports. At that time, including a full keyboard and…

Language: English [EN]
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Nascom topic overview

The analysis highlights History, Measurement and Standards as prominent areas in the source structure around Nascom.

Related topics
70
Source areas
9
Connected nodes
79
Extracted relationships
100
Concept neighborhoods
21
Bridge connections
79

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.

History · 15 topics
Overview · 14 topics
Software · 14 topics
Hardware · 12 topics
Documentation · 4 topics
Keyboard · 4 topics
Video Display · 3 topics
Expansion · 2 topics
Miscellaneous · 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
Chris Shelton
Released
Nascom 1: 1977 (1977) Nascom 2: 1979 (1979) Nascom 3: 1981 (1981)
Type
single-board computer

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.

Overview

History

Documentation

Hardware

Keyboard

Video Display

Software

Expansion

Miscellaneous

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.

How Nascom connects Entity context

The extracted context around Nascom shows recurring relationship patterns in the source. For example, Nascom → All, BBUG, DIL, EPROM, Initially, KB, NAS-BUG, NAS-BUG T2, NAS-SYS, On, ROM, T2, T4, The, The Nascom, This, Z80 Another extracted example is Nascom → CPU, DRIVE, HALT, Harris, IO, LED, MHz, NMI, RS232, The Nascom, TVCircuitry, UART, UHF, Z80-CPU, Z80/Z80A CPUA Z80/Z80A PIOA. Use these groups to spot repeated connection types before inspecting the individual relationships.

Nascom

Top relations

related to Software · 17
Nascom → All, BBUG, DIL, EPROM, Initially, KB, NAS-BUG, NAS-BUG T2, NAS-SYS, On, ROM, T2, T4, The, The Nascom, This, Z80
related to Hardware · 15
Nascom → CPU, DRIVE, HALT, Harris, IO, LED, MHz, NMI, RS232, The Nascom, TVCircuitry, UART, UHF, Z80-CPU, Z80/Z80A CPUA Z80/Z80A PIOA
related to Expansion · 11
Nascom → An, British Cellophane, CPU, Gemini, However, MAP80 Systems, NAS-BUS, Other, PCB, The, The Nascom
related to history · 11
Nascom → He, John, London, Ltd, Lynx Electronics, Marshall, Nasco Sales Ltd, Son, The, UK, US
related to Documentation · 8
Nascom → An, GitHub, Grant Searle's Multicomp, Microsoft ROM BASIC, ROM, Spencer Owen's RC2014, The, The Nascom
related to Keyboard · 8
Nascom → CTRL, GRAPH, LF/CH, Licon, PCB, SHIFT, The, The Nascom
related to External links · 6
Nascom → Bus, Dedicated, Gemini, Mirror, Nascoms, UK
related to Miscellaneous · 5
Nascom → In, Kenilworth Computers, MCDU1, MCDU2, Movement Computer Systems
related to Video Display · 5
Nascom → Due, Each, Nascom CP/M, Scrolling, The
related to Unit Sales · 4
Nascom → In, January, Marshall, May

Important terminology

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

Important terminology

used rom keyboard video display computer 1979 memory software cpu dil marshall board electronics sockets control address character basic 1977

Nascom relationships Subject–Predicate–Object triples

TTTA extracted 100 structured relationships around Nascom. Examples in this analysis include Nascom → Developer → Chris Shelton and Nascom → Released → Nascom 1: 1977 (1977) Nascom 2: 1979 (1979) Nascom 3: 1981 (1981). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
NascomDeveloperChris Shelton1.00infobox
NascomReleasedNascom 1: 1977 (1977) Nascom 2: 1979 (1979) Nascom 3: 1981 (1981)1.00infobox
NascomTypesingle-board computer1.00infobox
Grant Searle's Multicompinstance ofAn annotated disassembly listing of the Nascom 2 Microsoft ROM BASIC was published and the code was subsequently re-purposed in retrocomputing projects0.80text
Spencer Owen's RC2014instance ofAn annotated disassembly listing of the Nascom 2 Microsoft ROM BASIC was published and the code was subsequently re-purposed in retrocomputing projects0.80text
Personal Computer Worldinstance ofComputing magazines0.80text
Practical Computinginstance ofComputing magazines0.80text
Computing Today published articlesinstance ofComputing magazines0.80text
software specifically for the Nascom computers.Laterinstance ofComputing magazines0.80text
commercial software was made available either on cassette tape or programmed into one or more EPROMsinstance ofComputing magazines0.80text
Nascomrelated to DocumentationThe Nascom0.60section
Nascomrelated to DocumentationROM0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Nascom bring nearby vocabulary together. In this analysis, examples include Used, Rom and Keyboard. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Nascom
    • Used
    • Rom
    • Keyboard
    • Board
    • Memory
    • Video
    • Published
    • Software
    • Pcw
    • January
    • Design
    • Kit
  • nascom
    • Used
    • Rom
    • Keyboard
    • Board
    • Memory
    • Video
    • Published
    • Software
    • Pcw
    • January
    • Design
    • Kit
  • single-board computer
    • Keyboard
    • Used
    • Kit
    • Software
    • Video
    • Nascom
    • Including
    • Cassette
    • Could
    • Lynx
    • Two
    • Z80
  • video display
    • Cpu
    • Display
    • Video
    • Used
    • Character
    • Memory
    • Keyboard
    • Z80
    • Design
    • Rom
    • Control
    • Including
  • memory address
    • Control
    • Allowed
    • Memory
    • Could
    • Cpu
    • Video
    • Used
    • Rom
    • Two
    • Z80
    • Dil
    • Kb
  • zilog z80
    • Cassette
    • Could
    • Cpu
    • Memory
    • Video
    • Including
    • Basic
    • Two
    • Allowed
    • Published
    • Used
    • Address
  • keyboard
    • Video
    • Display
    • Used
    • Cassette
    • Kit
    • Sockets
    • Nascom
    • Pcw
    • Could
    • Two
    • Z80
    • Board
  • z80 assembly language
    • Cassette
    • Could
    • Cpu
    • Memory
    • Video
    • Including
    • Basic
    • Two
    • Allowed
    • Published
    • Used
    • Address

Connections between topic areas Semantic bridges

For Nascom, one of the stronger structural bridges in this analysis connects Nascom with History. 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
Nascom — History · splits 64 ⟂ 16
Nascom — Overview · splits 65 ⟂ 15
Nascom — Software · splits 65 ⟂ 15
Nascom — Hardware · splits 67 ⟂ 13
Nascom — Documentation · splits 75 ⟂ 5
Nascom — Keyboard · splits 75 ⟂ 5
Nascom — Video Display · splits 76 ⟂ 4
Nascom — Expansion · splits 77 ⟂ 3
Nascom — Miscellaneous · splits 77 ⟂ 3

Map overview Semantic statistics

Nascom

Nodes80
Edges79
Triples100
Avg. degree1.98
Density0.025
Components1

Source & methodology

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

Source: Wikipedia — Nascom · EN edition · Analysis: TopicsToTalkAbout

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