HP-71B handheld computer
E812225
The HP-71B handheld computer is a mid-1980s Hewlett-Packard programmable calculator/computer known for its BASIC language support, expandability via modules and interfaces, and use in engineering and scientific applications.
All labels observed (2)
| Label | Occurrences |
|---|---|
| HP-71B handheld computer canonical | 1 |
| HP-75C portable computer | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9632793 — 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: HP-71B handheld computer Context triple: [HP-IL interface, usedWithDevice, HP-71B handheld computer]
-
A.
Tandy TRS-80
The Tandy TRS-80 was one of the earliest mass-market personal computers, popular in the late 1970s and early 1980s for home and small business use.
-
B.
SG-1000
The SG-1000 is Sega’s first home video game console, released in 1983 and serving as the company’s entry into the console market.
-
C.
Busicom
Busicom was a Japanese calculator and electronics company best known for commissioning the Intel 4004, the first commercial microprocessor.
-
D.
Altair 680 computer
The Altair 680 computer is a mid-1970s hobbyist microcomputer kit produced by MITS as a successor to the Altair 8800, notable for using the Motorola 6800 microprocessor instead of the Intel 8080.
-
E.
TX-2 computer
The TX-2 computer was an influential early transistorized research computer at MIT Lincoln Laboratory, notable as a platform for pioneering work in interactive computing and computer graphics.
- 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: HP-71B handheld computer Target entity description: The HP-71B handheld computer is a mid-1980s Hewlett-Packard programmable calculator/computer known for its BASIC language support, expandability via modules and interfaces, and use in engineering and scientific applications.
-
A.
Tandy TRS-80
The Tandy TRS-80 was one of the earliest mass-market personal computers, popular in the late 1970s and early 1980s for home and small business use.
-
B.
SG-1000
The SG-1000 is Sega’s first home video game console, released in 1983 and serving as the company’s entry into the console market.
-
C.
Busicom
Busicom was a Japanese calculator and electronics company best known for commissioning the Intel 4004, the first commercial microprocessor.
-
D.
Altair 680 computer
The Altair 680 computer is a mid-1970s hobbyist microcomputer kit produced by MITS as a successor to the Altair 8800, notable for using the Motorola 6800 microprocessor instead of the Intel 8080.
-
E.
TX-2 computer
The TX-2 computer was an influential early transistorized research computer at MIT Lincoln Laboratory, notable as a platform for pioneering work in interactive computing and computer graphics.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf | handheld computer ⓘ |
| canConnectTo |
HP-IL interfaces to IEEE-488
ⓘ
HP-IL interfaces to RS-232 ⓘ HP-IL mass storage devices ⓘ HP-IL printers ⓘ |
| cpu | HP Saturn processor NERFINISHED ⓘ |
| defaultRAM | 17 KB ⓘ |
| discontinuationYear | 1989 ⓘ |
| displayCharacters | 22-character display ⓘ |
| displayType | single-line LCD ⓘ |
| expansionSlotCount | 4 front ports ⓘ |
| formFactor | pocket-sized handheld ⓘ |
| hasBackupBattery | yes ⓘ |
| hasExpansionSlot | yes ⓘ |
| hasFeature |
alphanumeric LCD display
ⓘ
file system in RAM ⓘ matrix operations (with Math ROM) ⓘ named variables and files ⓘ real-time clock (via module or accessory) ⓘ string handling in BASIC ⓘ user-defined functions and subroutines ⓘ |
| interfaceBus | HP-IL (via module) ⓘ |
| introductionYear | 1984 ⓘ |
| keyboardType | full alphanumeric keyboard ⓘ |
| manufacturer | Hewlett-Packard NERFINISHED ⓘ |
| marketRegion | worldwide ⓘ |
| maxRAM | up to 128 KB ⓘ |
| nonVolatileMemory | CMOS RAM with backup ⓘ |
| notableUse |
data collection via HP-IL
ⓘ
engineering calculations ⓘ scientific applications ⓘ |
| operatingSystem | HP-71 system firmware in ROM NERFINISHED ⓘ |
| powerSource | four AAA batteries ⓘ |
| productLine | HP calculator line NERFINISHED ⓘ |
| programmingLanguage | HP-71 BASIC NERFINISHED ⓘ |
| romSize | 64 KB system ROM ⓘ |
| successor | HP-75 series (related handheld computers) NERFINISHED ⓘ |
| supports |
numeric and string arrays
ⓘ
structured BASIC with subprograms ⓘ user-written LEX (language extension) files ⓘ |
| supportsLanguage | BASIC ⓘ |
| supportsModule |
Curve Fitting ROM module
NERFINISHED
ⓘ
FORTH/Assembler ROM module ⓘ Finance ROM module NERFINISHED ⓘ HP-41 Translator ROM module NERFINISHED ⓘ HP-IL interface module NERFINISHED ⓘ Math ROM module NERFINISHED ⓘ RAM modules ⓘ ROM modules ⓘ |
| supportsNumericType |
binary, octal, hexadecimal (via modules)
GENERATED
ⓘ
complex numbers (via modules) GENERATED ⓘ integers GENERATED ⓘ real numbers GENERATED ⓘ |
| targetUser |
engineers
ⓘ
scientists ⓘ technical professionals ⓘ |
| wordSize | 4-bit nibble architecture ⓘ |
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: HP-71B handheld computer Description of subject: The HP-71B handheld computer is a mid-1980s Hewlett-Packard programmable calculator/computer known for its BASIC language support, expandability via modules and interfaces, and use in engineering and scientific applications.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
HP-75C portable computer