Nixdorf 4000 series

GPTKB entity

Statements (47)
Predicate Object
gptkbp:instanceOf computer series
gptkbp:architect modular architecture
gptkbp:busConnections multiplexed bus architecture
gptkbp:community small user community
gptkbp:compatibleWith gptkb:IBM_mainframes
gptkbp:competitors gptkb:IBM
gptkb:Honeywell
DEC
gptkbp:coolingSystem air-cooled
gptkbp:dataBusWidth 16-bit data bus
gptkbp:developer gptkb:Nixdorf_Computer_AG
gptkbp:discontinued 1980s
gptkbp:endOfLife 1990s
gptkbp:formFactor rack-mounted
gptkbp:futurePlans multiple expansion slots
gptkbp:historical_significance pioneered modular computing
gptkbp:historicalSignificance technical manuals available
https://www.w3.org/2000/01/rdf-schema#label Nixdorf 4000 series
gptkbp:influenced subsequent_Nixdorf_models
gptkbp:inputOutput punch cards
gptkbp:introduced 1970s
gptkbp:is_used_in business applications
gptkbp:language gptkb:PL/I
COBOL
FORTRAN
gptkbp:legacy influenced later systems
still in use in some sectors
gptkbp:manufacturer gptkb:Nixdorf_Computer_AG
gptkbp:network not widely used
gptkbp:notable_feature high reliability
gptkbp:notableEvent gptkb:IBM_360_emulation
used in universities
used in financial institutions
used in government agencies
gptkbp:operatingHours Nixdorf OS
gptkbp:performance high throughput
gptkbp:powerOutput redundant power supplies
gptkbp:processor custom processors
gptkbp:productionCompany line printer
gptkbp:RAM core memory
gptkbp:storage magnetic tape
gptkbp:successor gptkb:Nixdorf_8000_series
Nixdorf_5000_series
gptkbp:supports limited support after discontinuation
gptkbp:targetMarket large enterprises
gptkbp:type mainframe computer
gptkbp:user_interface command line interface