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