IBM 3274 control unit
E699607
The IBM 3274 control unit is a mainframe peripheral device that manages and multiplexes multiple IBM 3270-family terminals and printers, handling their communication with the host computer.
All labels observed (6)
| Label | Occurrences |
|---|---|
| IBM 3179-G graphics display | 1 |
| IBM 3270 terminals | 1 |
| IBM 3274 control unit canonical | 1 |
| IBM 3277 display station | 1 |
| IBM 3278 display station | 1 |
| IBM 3279 color display station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7935848 — 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 3274 control unit Context triple: [IBM 3270-style terminal displays, connectsVia, IBM 3274 control unit]
-
A.
IBM 3081
The IBM 3081 was a high-performance mainframe computer introduced in the early 1980s as part of IBM’s next generation of System/370-compatible processors, known for significantly advancing processing speed and system throughput in enterprise computing.
-
B.
IBM 3083
The IBM 3083 is a mainframe computer model in IBM’s 308X family, introduced in the early 1980s as a more powerful and efficient successor to earlier System/370 processors.
-
C.
IBM 3090
The IBM 3090 was a high-end mainframe computer family introduced in the 1980s, known for its advanced performance, vector processing capabilities, and use in large-scale commercial and scientific computing.
-
D.
IBM 5151
The IBM 5151 is a monochrome CRT computer monitor introduced in the early 1980s for use with the original IBM Personal Computer.
-
E.
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.
- 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 3274 control unit Target entity description: The IBM 3274 control unit is a mainframe peripheral device that manages and multiplexes multiple IBM 3270-family terminals and printers, handling their communication with the host computer.
-
A.
IBM 3081
The IBM 3081 was a high-performance mainframe computer introduced in the early 1980s as part of IBM’s next generation of System/370-compatible processors, known for significantly advancing processing speed and system throughput in enterprise computing.
-
B.
IBM 3083
The IBM 3083 is a mainframe computer model in IBM’s 308X family, introduced in the early 1980s as a more powerful and efficient successor to earlier System/370 processors.
-
C.
IBM 3090
The IBM 3090 was a high-end mainframe computer family introduced in the 1980s, known for its advanced performance, vector processing capabilities, and use in large-scale commercial and scientific computing.
-
D.
IBM 5151
The IBM 5151 is a monochrome CRT computer monitor introduced in the early 1980s for use with the original IBM Personal Computer.
-
E.
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.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
IBM 3270 family device
ⓘ
mainframe control unit ⓘ |
| category |
computer terminal controller
ⓘ
mainframe peripheral ⓘ |
| compatibleWith |
IBM 303x series
NERFINISHED
ⓘ
IBM 308x series NERFINISHED ⓘ IBM 3090 NERFINISHED ⓘ IBM System/370 NERFINISHED ⓘ |
| connectsTo |
IBM 3268 printer
NERFINISHED
ⓘ
IBM 3278 display terminal NERFINISHED ⓘ IBM 3279 color display terminal NERFINISHED ⓘ IBM 3287 printer NERFINISHED ⓘ |
| connectsVia |
channel-attached interface
ⓘ
cluster controller link ⓘ |
| dataFlow |
control-unit-to-host
ⓘ
control-unit-to-terminal ⓘ host-to-control-unit ⓘ terminal-to-control-unit ⓘ |
| designedFor | IBM mainframe computers NERFINISHED ⓘ |
| function |
handles communication with host computer
ⓘ
manages IBM 3270-family printers ⓘ manages multiple IBM 3270-family terminals ⓘ multiplexes terminal I/O ⓘ |
| hasFeature |
buffering of terminal data
ⓘ
local editing of screen data ⓘ screen formatting support ⓘ support for multiple logical terminals ⓘ support for printers in the same cluster ⓘ |
| introducedBy | IBM NERFINISHED ⓘ |
| manufacturer | IBM NERFINISHED ⓘ |
| marketedAs | 3270 control unit ⓘ |
| partOf | IBM 3270 information display system NERFINISHED ⓘ |
| predecessor | IBM 3271 control unit NERFINISHED ⓘ |
| role |
intermediary between terminals and host
ⓘ
offloads terminal management from host CPU ⓘ |
| successor | IBM 3174 Establishment Controller NERFINISHED ⓘ |
| supportsProtocol | IBM 3270 data stream ⓘ |
| supportsTopology |
clustered terminals
ⓘ
remote terminal configurations ⓘ |
| technology |
block-mode terminal handling
ⓘ
synchronous communication ⓘ |
| usedIn |
banking terminal networks
ⓘ
insurance and financial services terminals ⓘ mainframe data entry environments ⓘ online transaction processing systems ⓘ time-sharing systems ⓘ |
| usedWith |
IBM 4300 series mainframes
NERFINISHED
ⓘ
IBM 4381 NERFINISHED ⓘ |
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 3274 control unit Description of subject: The IBM 3274 control unit is a mainframe peripheral device that manages and multiplexes multiple IBM 3270-family terminals and printers, handling their communication with the host computer.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
IBM 3277 display station
this entity surface form:
IBM 3278 display station
this entity surface form:
IBM 3279 color display station
this entity surface form:
IBM 3179-G graphics display