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gptkbp:instance_of
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gptkb:architecture
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gptkbp:architecture
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CISC
Multi-processor support
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gptkbp:bus_connections
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Unibus and QBUS
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gptkbp:cache_size
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gptkb:Yes
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|
gptkbp:community_support
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Active user community
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|
gptkbp:compatibility
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Compatible with various peripherals
Backward compatibility with earlier models
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gptkbp:competitors
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gptkb:IBM
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gptkbp:data_type
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Supports multiple data types
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gptkbp:data_usage
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gptkb:High
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gptkbp:designed_by
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gptkb:Digital_Equipment_Corporation
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gptkbp:development
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1970s to 1990s
DEC engineers
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gptkbp:economic_impact
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Significant in the 1980s and 1990s
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|
gptkbp:educational_use
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Used in universities for teaching computer architecture
|
|
gptkbp:emulation
|
Simulators available for modern systems
Yes, for earlier DEC systems
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gptkbp:ended
|
Little-endian
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gptkbp:first_introduced
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gptkb:1977
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gptkbp:has_documentation
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Extensive documentation available
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gptkbp:has_units
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gptkb:Yes
|
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gptkbp:historical_significance
|
Influenced future computer architectures
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|
https://www.w3.org/2000/01/rdf-schema#label
|
VAX processor
|
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gptkbp:input_output
|
gptkb:Massbus
|
|
gptkbp:instruction_set
|
gptkb:Complex_Instruction_Set_Computing
VAX instruction set
Variable length
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gptkbp:is_scalable
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Scalable architecture
|
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gptkbp:language_support
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gptkb:Pascal
gptkb:C
gptkb:FORTRAN
Assembly language
|
|
gptkbp:legacy
|
Still in use in some industries
Yes, for legacy software
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|
gptkbp:market_launch
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Scientific and engineering applications
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gptkbp:market_segment
|
Mid-range computers
|
|
gptkbp:memory_type
|
32-bit
|
|
gptkbp:network
|
Supports networking protocols
|
|
gptkbp:notable_achievements
|
First to implement certain advanced features.
|
|
gptkbp:notable_contributor
|
Pioneered virtual memory
|
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gptkbp:notable_feature
|
Virtual memory support
|
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gptkbp:notable_models
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gptkb:VAX_11/780
|
|
gptkbp:notable_programs
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gptkb:Open_VMS
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|
gptkbp:notable_users
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gptkb:NASA
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|
gptkbp:operating_system
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gptkb:VMS
|
|
gptkbp:performance
|
Multi-user capabilities
|
|
gptkbp:power_consumption
|
Moderate
|
|
gptkbp:production_years
|
2000s
|
|
gptkbp:registration
|
16 general-purpose registers
|
|
gptkbp:reliability
|
High reliability
|
|
gptkbp:storage
|
Supports various storage devices
|
|
gptkbp:successor
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gptkb:Alpha_processor
Alpha architecture
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gptkbp:used_in
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VAX computers
|
|
gptkbp:user_base
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Large user base in enterprise environments
|
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gptkbp:bfsParent
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gptkb:DEC_7000_Series
gptkb:VAX_7000
gptkb:VAX_9000_Series
gptkb:VAXstation
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gptkbp:bfsLayer
|
5
|