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IBM 1401 Data Processing System
URI:
https://gptkb.org/entity/IBM_1401_Data_Processing_System
GPTKB entity
Statements (49)
Predicate
Object
gptkbp:instanceOf
gptkb:personal_computer
gptkbp:architecture
decimal
gptkbp:countryOfOrigin
gptkb:United_States
gptkbp:discontinued
1971
gptkbp:emulator_available
yes
https://www.w3.org/2000/01/rdf-schema#label
IBM 1401 Data Processing System
gptkbp:input
gptkb:IBM_1402_Card_Reader
gptkbp:input/output_device
gptkb:IBM_729_Magnetic_Tape_Unit
gptkbp:instructionSet
variable-length instructions
gptkbp:introduced
1959
gptkbp:legacy
influenced later IBM systems
gptkbp:length
variable (6-bit BCD characters)
gptkbp:manufacturer
gptkb:IBM
gptkbp:market
dominant in early 1960s
gptkbp:marketedAs
Data Processing System
gptkbp:museum_exhibit
gptkb:Computer_History_Museum
gptkb:Living_Computers:_Museum_+_Labs
gptkbp:nickname
gptkb:Hallowed_1401
gptkbp:notable_for
first computer to sell over 10,000 units
widespread adoption
gptkbp:notableFeature
modular design
expandable memory
high-speed printing
gptkbp:notableUser
gptkb:NASA
gptkb:U.S._Department_of_Defense
universities
banks
insurance companies
gptkbp:operatingSystem
gptkb:Autocoder
gptkb:Symbolic_Programming_System_(SPS)
gptkbp:output
gptkb:IBM_1403_Printer
gptkbp:powerSource
about 10 kW
gptkbp:predecessor
gptkb:IBM_650
gptkbp:priceRange
about $2,500/month (rental)
about $90,000 (purchase)
gptkbp:primary_storage_medium
punched cards
gptkbp:processor
gptkb:IBM_1401_CPU
gptkbp:programmingLanguage
gptkb:Assembly_language
gptkb:COBOL
gptkb:FORTRAN
gptkb:RPG
gptkbp:RAM
1.4 KB to 16 KB
core memory
gptkbp:successor
gptkb:IBM_System/360
gptkbp:technology
transistorized
gptkbp:usedFor
business data processing
gptkbp:weight
about 2,500 pounds (mainframe only)
gptkbp:bfsParent
gptkb:Computer_History_Museum
gptkbp:bfsLayer
4