Find related topics. | Discover entities. | See connections. | Build a topical map.
Building topical map: Starting…
Control store: Art & Measurement
A control store is the part of a CPU's control unit that stores the CPU's microprogram. It is usually accessed by a microsequencer. A control store implementation whose contents are unalterable is known as a read-only memory (ROM) or Read Only Storage (ROS); one whose contents are alterable is known as a Writable Control Store (WCS).
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
More settings
Control store topic overview
The analysis highlights Art and Measurement as prominent areas in the source structure around Control store.
Related topics
50
Source areas
2
Connected nodes
52
Extracted relationships
47
Concept neighborhoods
15
Bridge connections
52
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.
Implementation · 45 topics
Overview · 5 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.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How Control store connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Control store shows recurring relationship patterns in the source. For example, Control store → DASD, Even, IBM, IML, IMPL, Initial-Microprogram Load, Many, Other, POR, Power On Reset, RAM, ROM, RTX, Some, Such, System/360, System/370, The, The System/370, This Another extracted example is Control store → Balanced Capacitor Read-Only Storage, BCROS, Card Capacitor Read-Only Storage, CCROS, Early, IBM System/360, MIT Whirlwind, Model, Models, Modern VLSI, PLA, ROM, This, Transformer Read-Only Storage, TROS. Use these groups to spot repeated connection types before inspecting the individual relationships.
Control store
Top relations
related to Writable stores· 24
Control store → DASD, Even, IBM, IML, IMPL, Initial-Microprogram Load, Many, Other, POR, Power On Reset, RAM, ROM, RTX, Some, Such, System/360, System/370, The, The System/370, This
related to Early use· 15
Control store → Balanced Capacitor Read-Only Storage, BCROS, Card Capacitor Read-Only Storage, CCROS, Early, IBM System/360, MIT Whirlwind, Model, Models, Modern VLSI, PLA, ROM, This, Transformer Read-Only Storage, TROS
related to Timing, latching and avoiding a race condition· 7
Control store → EPROMs, Historically, In, It, The, This, Very
is a· 1
Control store → part of a CPU's control unit that stores the CPU's microprogram
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Control store relationships Subject–Predicate–Object triples
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 47 structured relationships around Control store. Examples in this analysis include Control store → is a → part of a CPU's control unit that stores the CPU's microprogram and Control store → related to Early use → Early. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Control store
is a
part of a CPU's control unit that stores the CPU's microprogram
0.90
text
Control store
related to Early use
Early
0.60
section
Control store
related to Early use
This
0.60
section
Control store
related to Early use
MIT Whirlwind
0.60
section
Control store
related to Early use
Modern VLSI
0.60
section
Control store
related to Early use
ROM
0.60
section
Control store
related to Early use
PLA
0.60
section
Control store
related to Early use
IBM System/360
0.60
section
Control store
related to Early use
CCROS
0.60
section
Control store
related to Early use
Card Capacitor Read-Only Storage
0.60
section
Control store
related to Early use
Model
0.60
section
Control store
related to Early use
TROS
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Control store bring nearby vocabulary together. In this analysis, examples include Store, Writable and Rom. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Control store
Store
Writable
Rom
Cpu
Implementation
Memory
Stores
Read-only
Microcode
Another
Data
Microprogram
control store
Store
Writable
Rom
Loaded
Power-on
Sram
Cpu
Implementation
Memory
Stores
Read-only
Microcode
control unit
Store
Writable
Rom
Implementation
Memory
Stores
Read-only
Data
Microprogram
One
Outputs
Part
read-only memory
Memory
Read-only
Writable
System
One
Original
Part
Stores
Store
Ibm
Rom
Use
varian data machines
Dec
Loaded
Microcode
Power-on
Sram
Stores
Writable
Bits
Data
Machines
System
Use
cpu
Loaded
Power-on
Sram
Another
Machines
Store
Microcode
Bits
Data
Dec
Laboratory
Writable
read–write memory
Read-only
Writable
One
Original
Part
Stores
Store
Rom
Use
System
Wcs
lisp machines
Dec
Microcode
Bits
Data
Loaded
Power-on
Sram
Stores
Writable
Use
Store
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Control store, one of the stronger structural bridges in this analysis connects Control store with Implementation. 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
Control store — Implementation· splits 7 ⟂ 46Control store — Overview· splits 47 ⟂ 6
Map overview Semantic statistics
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Control store
Nodes53
Edges52
Triples47
Avg. degree1.96
Density0.037736
Components1
Source & methodology
TTTA analyzes the structure around Control store to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
