English Electric KDF9 computer

GPTKB entity

Predicate	Object
gptkbp:instanceOf	mainframe computer
gptkbp:architecture	stack-based
gptkbp:discontinued	1970s
https://www.w3.org/2000/01/rdf-schema#label	English Electric KDF9 computer
gptkbp:input	gptkb:print magnetic tape punched cards
gptkbp:introduced	1964
gptkbp:length	48 bits
gptkbp:location	gptkb:UK
gptkbp:manufacturer	gptkb:English_Electric
gptkbp:memoryType	magnetic core memory
gptkbp:notableFor	early use of stack architecture
gptkbp:notableInstitution	gptkb:University_of_Birmingham gptkb:University_of_Cambridge gptkb:University_of_London gptkb:University_of_Oxford gptkb:Atomic_Energy_Research_Establishment,_Harwell gptkb:University_of_Newcastle gptkb:University_of_Leeds
gptkbp:numberBuilt	29
gptkbp:operatingSystem	gptkb:Whetstone_KDF9_Operating_System Egdons
gptkbp:programmingLanguage	gptkb:assembly_language gptkb:Whetstone_ALGOL gptkb:FORTRAN
gptkbp:successor	gptkb:ICL_1900_series
gptkbp:usedBy	UK universities
gptkbp:usedFor	scientific computing university research
gptkbp:bfsParent	gptkb:English_Electric
gptkbp:bfsLayer	5