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gptkbp:instance_of
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gptkb:architecture
|
|
gptkbp:architecture
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CISC
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gptkbp:community_support
|
VAX forums
VAX mailing lists
VAX user groups
|
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gptkbp:compatibility
|
backward compatibility with PDP-11
|
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gptkbp:developed_by
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gptkb:Digital_Equipment_Corporation
|
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gptkbp:discontinued
|
2000s
|
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gptkbp:emulation
|
gptkb:SIMH
VAXsim
VAX emulation on x86
|
|
gptkbp:end_of_life
|
2000s
|
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gptkbp:form_factor
|
rack-mounted
|
|
gptkbp:historical_significance
|
influenced modern computing architectures
pioneered virtual memory technology
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
VAX computer systems
|
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gptkbp:input_output
|
gptkb:Massbus
|
|
gptkbp:instruction_set
|
VAX instruction set
|
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gptkbp:interface
|
gptkb:QBUS
gptkb:Unibus
|
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gptkbp:introduced_in
|
gptkb:1977
|
|
gptkbp:involved_technology
|
gptkb:UNIX
|
|
gptkbp:is_popular_in
|
gptkb:1980s
|
|
gptkbp:language_support
|
gptkb:Pascal
gptkb:C
gptkb:FORTRAN
Assembly language
|
|
gptkbp:legacy
|
legacy systems integration
|
|
gptkbp:market_segment
|
mid-range computers
|
|
gptkbp:memory_type
|
32-bit
|
|
gptkbp:notable_feature
|
virtual memory
hardware floating-point support
multiprocessing
|
|
gptkbp:notable_models
|
gptkb:VAX_11/780
|
|
gptkbp:notable_programs
|
gptkb:VAX_COBOL
gptkb:VAX_BASIC
gptkb:VAX_Pascal
gptkb:Open_VMS
|
|
gptkbp:operating_system
|
gptkb:VMS
|
|
gptkbp:performance
|
gptkb:MIPS
gptkb:FLOPS
|
|
gptkbp:power_consumption
|
varies by model
|
|
gptkbp:predecessor
|
gptkb:PDP-11
|
|
gptkbp:protocol
|
gptkb:DECnet
|
|
gptkbp:storage
|
gptkb:raid
|
|
gptkbp:successor
|
gptkb:VAX_4000
Alpha architecture
|
|
gptkbp:used_for
|
business applications
|
|
gptkbp:used_in
|
scientific computing
|
|
gptkbp:user_base
|
government agencies
academic institutions
large enterprises
|
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gptkbp:bfsParent
|
gptkb:VAX_bus
|
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gptkbp:bfsLayer
|
6
|