|
gptkbp:instance_of
|
gptkb:computer
|
|
gptkbp:application
|
engineering and physics
|
|
gptkbp:circuit
|
relay-based circuits
|
|
gptkbp:collaborations
|
with academic institutions
|
|
gptkbp:contribution
|
early computing technology
|
|
gptkbp:cooling_system
|
natural convection
|
|
gptkbp:cultural_impact
|
inspired future generations of engineers
|
|
gptkbp:data_type
|
binary
|
|
gptkbp:designed_by
|
gptkb:Konrad_Zuse
|
|
gptkbp:development
|
1945
|
|
gptkbp:dimensions
|
2.4m x 1.2m x 1.5m
|
|
gptkbp:exhibitions
|
displayed in technology museums
|
|
gptkbp:has_documentation
|
technical manuals available
|
|
gptkbp:historical_context
|
post-World War II Germany
|
|
gptkbp:historical_significance
|
one of the first programmable computers
|
|
gptkbp:home_port
|
card readers
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Zuse Z4
|
|
gptkbp:influenced
|
modern computing architecture
|
|
gptkbp:influenced_by
|
gptkb:Zuse_Z3
|
|
gptkbp:input_output
|
punched tape
printed results
|
|
gptkbp:invention
|
related to computing technology
|
|
gptkbp:involved_technology
|
early programming languages
|
|
gptkbp:is_influential_in
|
gptkb:Konrad_Zuse
|
|
gptkbp:legacy
|
paved the way for future computers
|
|
gptkbp:legal_principle
|
electromechanical relay operation
|
|
gptkbp:location
|
gptkb:Germany
|
|
gptkbp:manufacturer
|
gptkb:Zuse_KG
various German companies
|
|
gptkbp:memory_type
|
magnetic drum
|
|
gptkbp:notable_achievements
|
solved complex mathematical problems
|
|
gptkbp:notable_project
|
calculating aerodynamic properties
|
|
gptkbp:notable_users
|
German universities
|
|
gptkbp:number_of_relays
|
approximately 2000
|
|
gptkbp:operational_status
|
decommissioned
|
|
gptkbp:operational_use
|
1951
|
|
gptkbp:power_supply
|
220 V AC
|
|
gptkbp:preservation_efforts
|
restoration projects ongoing
|
|
gptkbp:price
|
approximately 100,000 DM
|
|
gptkbp:processing_speed
|
approximately 1.5 seconds per operation
|
|
gptkbp:production_years
|
1950-1955
|
|
gptkbp:programming_language
|
machine code
manual programming
|
|
gptkbp:ram
|
punched tape
|
|
gptkbp:replaced_by
|
gptkb:Zuse_Z5
|
|
gptkbp:service
|
gptkb:1960
|
|
gptkbp:specification
|
detailed in engineering documents
|
|
gptkbp:successor
|
gptkb:Zuse_Z3
gptkb:Zuse_Z5
|
|
gptkbp:technology
|
relay technology
|
|
gptkbp:type
|
electromechanical computer
|
|
gptkbp:used_in
|
scientific calculations
|
|
gptkbp:user_interface
|
console with switches
|
|
gptkbp:weight
|
approximately 1 ton
|
|
gptkbp:year_established
|
1950
|
|
gptkbp:bfsParent
|
gptkb:Zuse
|
|
gptkbp:bfsLayer
|
5
|