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History of IBM magnetic disk drives: Products & Measurement

IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. Both the hard disk drive (HDD) and floppy disk drive (FDD) were invented by IBM and as such IBM's employees were responsible for many of the innovations in these products and their technologies. The basic mechanical arrangement of hard…

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History of IBM magnetic disk drives topic overview

The analysis highlights Products and Measurement as prominent areas in the source structure around History of IBM magnetic disk drives.

Related topics
104
Source areas
7
Connected nodes
111
Extracted relationships
13
Concept neighborhoods
57
Bridge connections
111

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.

Early IBM HDDs · 39 topics
Overview · 28 topics
IBM System/360 and other IBM mainframe HDDs · 24 topics
DASD devices not HDDs or FDDs · 4 topics
"Star" series of HDDs · 3 topics
Floppy disk drive · 3 topics
OEM and Small Systems HDDs · 3 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.

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

Early IBM HDDs

IBM System/360 and other IBM mainframe HDDs

OEM and Small Systems HDDs

Floppy disk drive

"Star" series of HDDs

DASD devices not HDDs or FDDs

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 History of IBM magnetic disk drives connects Entity context

See recurring relationship patterns around History of IBM magnetic disk drives before inspecting the individual extracted relationships.

Important terminology

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

Important terminology

ibm disk drive storage model unit drives system access one two first capacity control used hdd per models head data

History of IBM magnetic disk drives relationships Subject–Predicate–Object triples

TTTA extracted 13 structured relationships around History of IBM magnetic disk drives. Examples in this analysis include catalogs → instance of → The 2305 was also used for high activity small data sets and the 2312 or 2318 can attach to the 2319-A12319 B series of three disk drives modules allow three → instance of → Conventional 2314 DASD. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
catalogsinstance ofThe 2305 was also used for high activity small data sets0.80text
job queues.The 2305-1 has a capacity of 5.4 MBinstance ofThe 2305 was also used for high activity small data sets0.80text
runs at 3.0 MB/second when attached using the 2-byte channel interfaceinstance ofThe 2305 was also used for high activity small data sets0.80text
the 2312 or 2318 can attach to the 2319-A12319 B series of three disk drives modules allow threeinstance ofConventional 2314 DASD0.80text
six or nine drive attachment to a new 2314 Model B Storage Control Unit.IBM 3310IBM introduced the IBM 3310 Direct Access Storage Device on January 30instance ofConventional 2314 DASD0.80text
1979instance ofConventional 2314 DASD0.80text
for IBM 4331 midrange computersinstance ofConventional 2314 DASD0.80text
six or nine drive attachment to a new 2314 Model B Storage Control Unitinstance ofConventional 2314 DASD0.80text
the System/3instance ofOEM and Small Systems HDDsThis section lists IBM manufactured HDDs offered both as an OEM product and for attachment to IBMs small systems0.80text
System/32instance ofOEM and Small Systems HDDsThis section lists IBM manufactured HDDs offered both as an OEM product and for attachment to IBMs small systems0.80text
/34instance ofOEM and Small Systems HDDsThis section lists IBM manufactured HDDs offered both as an OEM product and for attachment to IBMs small systems0.80text
/36instance ofOEM and Small Systems HDDsThis section lists IBM manufactured HDDs offered both as an OEM product and for attachment to IBMs small systems0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around History of IBM magnetic disk drives bring nearby vocabulary together. In this analysis, examples include Ibm, Storage and System. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • History of IBM magnetic disk drives
    • Ibm
    • Storage
    • System
    • Drive
    • Announced
    • Unit
    • String
    • Hdd
    • Access
    • Drives
    • Model
    • Hard
  • history of ibm magnetic disk drives
    • Ibm
    • Storage
    • Drive
    • System
    • Drives
    • Control
    • Unit
    • Model
    • Announced
    • String
    • Hdd
    • Access
  • ibm
    • Storage
    • System
    • Drive
    • Announced
    • Unit
    • Hdd
    • Access
    • Drives
    • Model
    • Introduced
    • Control
    • Use
  • disk storage
    • Unit
    • Control
    • Ibm
    • Drive
    • Storage
    • Drives
    • Introduced
    • System
    • Hard
    • Model
    • Announced
    • One
  • hard disk drive
    • Ibm
    • Drive
    • Storage
    • Drives
    • Unit
    • Model
    • System
    • Control
    • Hard
    • Announced
    • One
    • Used
  • floppy disk
    • Ibm
    • Drive
    • Storage
    • Drives
    • Unit
    • Hard
    • Announced
    • One
    • Model
    • Used
    • Two
    • Access
  • ibm 1301
    • Storage
    • System
    • Drive
    • Announced
    • Unit
    • Hdd
    • Access
    • Drives
    • Model
    • Introduced
    • Control
    • Use
  • direct-access storage device
    • Unit
    • Control
    • Introduced
    • System
    • Model
    • Use
    • Storage
    • String
    • Access
    • One
    • Two
    • Ibm

Connections between topic areas Semantic bridges

For History of IBM magnetic disk drives, one of the stronger structural bridges in this analysis connects History of IBM magnetic disk drives with Early IBM HDDs. 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
History of IBM magnetic disk drives — Early IBM HDDs · splits 72 ⟂ 40
History of IBM magnetic disk drives — Overview · splits 83 ⟂ 29
History of IBM magnetic disk drives — IBM System/360 and other IBM mainframe HDDs · splits 87 ⟂ 25
History of IBM magnetic disk drives — DASD devices not HDDs or FDDs · splits 107 ⟂ 5
History of IBM magnetic disk drives — OEM and Small Systems HDDs · splits 108 ⟂ 4
History of IBM magnetic disk drives — Floppy disk drive · splits 108 ⟂ 4
History of IBM magnetic disk drives — "Star" series of HDDs · splits 108 ⟂ 4

Map overview Semantic statistics

History of IBM magnetic disk drives

Nodes112
Edges111
Triples13
Avg. degree1.98
Density0.017857
Components1

Source & methodology

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

Source: Wikipedia — History of IBM magnetic disk drives · EN edition · Analysis: TopicsToTalkAbout

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