IBM 650
E288875
The IBM 650 was an early, widely used mid-1950s drum-based decimal computer that helped popularize electronic data processing in business and education.
All labels observed (2)
| Label | Occurrences |
|---|---|
| IBM 650 canonical | 2 |
| IBM 650 Magnetic Drum Data-Processing Machine | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2395722 — 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 650 Context triple: [IBM 700/7000 series, precededBy, IBM 650]
-
A.
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.
-
B.
IBM 5160
IBM 5160 is IBM’s second-generation personal computer model, commonly known as the IBM PC XT, which introduced a built-in hard drive and expanded capabilities over the original IBM PC.
-
C.
PDP-1
The PDP-1 was an early 1960s minicomputer famous for its interactive computing capabilities and for running some of the first video games, including "Spacewar!".
-
D.
IBM 700/7000 series
The IBM 700/7000 series was a family of early large-scale mainframe computers from the 1950s and early 1960s that played a key role in scientific, engineering, and business computing before the advent of more standardized systems.
-
E.
IBM 5151
The IBM 5151 is a monochrome CRT computer monitor introduced in the early 1980s for use with the original IBM Personal Computer.
- 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 650 Target entity description: The IBM 650 was an early, widely used mid-1950s drum-based decimal computer that helped popularize electronic data processing in business and education.
-
A.
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.
-
B.
IBM 5160
IBM 5160 is IBM’s second-generation personal computer model, commonly known as the IBM PC XT, which introduced a built-in hard drive and expanded capabilities over the original IBM PC.
-
C.
PDP-1
The PDP-1 was an early 1960s minicomputer famous for its interactive computing capabilities and for running some of the first video games, including "Spacewar!".
-
D.
IBM 700/7000 series
The IBM 700/7000 series was a family of early large-scale mainframe computers from the 1950s and early 1960s that played a key role in scientific, engineering, and business computing before the advent of more standardized systems.
-
E.
IBM 5151
The IBM 5151 is a monochrome CRT computer monitor introduced in the early 1980s for use with the original IBM Personal Computer.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
computer
ⓘ
decimal computer ⓘ drum memory computer ⓘ second-generation computer ⓘ |
| alsoKnownAs |
IBM 650
ⓘ
surface form:
IBM 650 Magnetic Drum Data-Processing Machine
|
| architecture | stored-program architecture ⓘ |
| category | mainframe computer ⓘ |
| commercialAvailability | mid-1950s ⓘ |
| controlUnit | hardwired control ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| dataInputFormat | 80-column punched cards ⓘ |
| dataOutputFormat | 80-column punched cards ⓘ |
| dataRepresentation | binary-coded decimal ⓘ |
| designGoal | relatively low-cost general-purpose computer ⓘ |
| historicalEra | early electronic computers ⓘ |
| influenced |
adoption of electronic data processing in business
ⓘ
computer science education curricula ⓘ |
| inputDevice | punched card reader ⓘ |
| introduced | 1954 ⓘ |
| manufacturer |
IBM
ⓘ
IBM ⓘ
surface form:
International Business Machines
|
| market |
commercial
ⓘ
educational ⓘ government ⓘ |
| memoryType | magnetic drum memory ⓘ |
| notableFor |
being one of the first mass-produced computers
ⓘ
helping popularize electronic data processing ⓘ wide use in universities ⓘ |
| numberSystem | decimal ⓘ |
| operatingMode | batch processing ⓘ |
| outputDevice |
line printer
ⓘ
punched card punch ⓘ |
| powerRequirement | vacuum tube technology ⓘ |
| primaryUse |
business data processing
ⓘ
education ⓘ scientific computing ⓘ |
| programmingLanguage |
SOAP
ⓘ
Symbolic Optimal Assembly Program ⓘ |
| programmingMethod |
assembly language
ⓘ
machine language ⓘ |
| status | discontinued ⓘ |
| storageMedium | magnetic drum ⓘ |
| successor |
IBM 1401
ⓘ
IBM 700/7000 series ⓘ
surface form:
IBM 7070
|
| technology | vacuum tubes ⓘ |
| usedIn |
business enterprises
ⓘ
government agencies ⓘ universities ⓘ |
| vendor | IBM ⓘ |
| wordLength | 10 decimal digits ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: IBM 650 Description of subject: The IBM 650 was an early, widely used mid-1950s drum-based decimal computer that helped popularize electronic data processing in business and education.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
IBM 650 Magnetic Drum Data-Processing Machine