Z4 computer

GPTKB entity

Statements (53)
Predicate Object
gptkbp:instance_of gptkb:computer
gptkbp:application used in academic research
gptkbp:architecture binary floating-point
gptkbp:circuit electromechanical circuits
gptkbp:collaborations worked with universities
gptkbp:components mechanical relays
gptkbp:cultural_impact inspired future generations of engineers
gptkbp:designed_by gptkb:Konrad_Zuse
gptkbp:development 1945-1950
gptkbp:dimensions 2.4 m x 1.2 m x 1.5 m
gptkbp:educational_value taught in computer science courses.
gptkbp:end_of_life decommissioned in 1955
gptkbp:first_introduced 1950
gptkbp:has_documentation technical manuals available
gptkbp:has_units around 20
gptkbp:historical_context post-World War II Germany
gptkbp:historical_impact significant in computer history
gptkbp:historical_significance first commercially available computer
gptkbp:home_port card readers
https://www.w3.org/2000/01/rdf-schema#label Z4 computer
gptkbp:influenced modern computing technology
gptkbp:influenced_by gptkb:Z3
gptkbp:input_output decimal numbers
punched tape
gptkbp:invention gptkb:Konrad_Zuse
gptkbp:legacy paved the way for future computers
gptkbp:legal_principle relay-based computation
gptkbp:location gptkb:Germany
gptkbp:maintenance regular maintenance needed
gptkbp:manufacturer gptkb:Zuse_KG
gptkbp:memory_type electromechanical relays
gptkbp:notable_achievements solved complex mathematical problems
gptkbp:notable_feature programmable
gptkbp:notable_users German aerospace industry
gptkbp:operational_use controlled laboratory setting
gptkbp:power_consumption about 4 k W
gptkbp:preservation_efforts some parts preserved in museums
gptkbp:production_years 1950-1955
gptkbp:programming_language manual programming
Zuse's own programming language
gptkbp:related_to gptkb:Zuse_Z3
gptkbp:replaced_by gptkb:Zorro
gptkbp:specification used 600 relays
gptkbp:speed approximately 1 calculation per second
gptkbp:successor gptkb:Z3
gptkbp:type electromechanical computer
gptkbp:used_for scientific calculations
gptkbp:used_in gptkb:1955
engineering applications
gptkbp:weight approximately 1 ton
gptkbp:year_established 1950
gptkbp:bfsParent gptkb:Konrad_Zuse
gptkbp:bfsLayer 6