IBM 1401
E994173
UNEXPLORED
The IBM 1401 was a widely adopted, transistorized variable-word-length business computer from the late 1950s and early 1960s that helped popularize electronic data processing in offices worldwide.
All labels observed (3)
| Label | Occurrences |
|---|---|
| IBM 1401 canonical | 3 |
| IBM 1401 compatibility mode (on some models) | 1 |
| IBM 1401 mainframe computer | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12128704 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IBM 1401 Context triple: [IBM 650, successor, IBM 1401]
-
A.
IBM 704
The IBM 704 was a pioneering 1950s vacuum-tube mainframe computer notable for its support of floating-point arithmetic and its influential role in early high-level programming languages and computer architecture.
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B.
IBM 650
The IBM 650 was an early, widely used mid-1950s drum-based decimal computer that helped popularize electronic data processing in business and education.
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C.
IBM 605
The IBM 605 was an early electronic calculating machine introduced in the 1940s that automated complex arithmetic operations for business and scientific applications.
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D.
UNIVAC I
UNIVAC I was one of the earliest commercial electronic computers, pioneering large-scale data processing for government and business in the early 1950s.
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E.
IBM 604
The IBM 604 was an early electromechanical electronic calculating punch introduced in the late 1940s, notable for being one of IBM’s first mass-produced programmable calculators used widely in business and scientific data processing.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: IBM 1401 Target entity description: The IBM 1401 was a widely adopted, transistorized variable-word-length business computer from the late 1950s and early 1960s that helped popularize electronic data processing in offices worldwide.
-
A.
IBM 704
The IBM 704 was a pioneering 1950s vacuum-tube mainframe computer notable for its support of floating-point arithmetic and its influential role in early high-level programming languages and computer architecture.
-
B.
IBM 650
The IBM 650 was an early, widely used mid-1950s drum-based decimal computer that helped popularize electronic data processing in business and education.
-
C.
IBM 605
The IBM 605 was an early electronic calculating machine introduced in the 1940s that automated complex arithmetic operations for business and scientific applications.
-
D.
UNIVAC I
UNIVAC I was one of the earliest commercial electronic computers, pioneering large-scale data processing for government and business in the early 1950s.
-
E.
IBM 604
The IBM 604 was an early electromechanical electronic calculating punch introduced in the late 1940s, notable for being one of IBM’s first mass-produced programmable calculators used widely in business and scientific data processing.
- F. None of above. chosen
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: IBM 1401
linked to: IBM 1401