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gptkbp:instance_of
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gptkb:architecture
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gptkbp:architecture
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Symmetric multiprocessing support
CISC architecture
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gptkbp:assembly_location
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gptkb:VAX_assembly_language
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gptkbp:bus_connections
|
Unibus and QBUS
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|
gptkbp:cache_size
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Supports cache memory
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gptkbp:community_support
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Strong community support and documentation
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gptkbp:compatibility
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gptkb:Open_VMS
Backward compatibility with PDP-11
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gptkbp:competitors
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Competed with IBM mainframes
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gptkbp:data_bus_width
|
32-bit data bus
32-bit address bus
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gptkbp:data_type
|
Integer, floating-point, character, and string
|
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gptkbp:designed_by
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gptkb:Digital_Equipment_Corporation
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gptkbp:designed_for
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scientific computing
business applications
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gptkbp:developed_by
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gptkb:Digital_Equipment_Corporation
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gptkbp:development
|
1970s to 1990s
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gptkbp:development_tools
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gptkb:VAX_C_compiler
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gptkbp:ecosystem
|
Rich software ecosystem
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gptkbp:educational_use
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Used in educational institutions for teaching computer architecture.
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gptkbp:emulation
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Can emulate PDP-11 instructions
Can emulate other architectures
|
|
gptkbp:end_of_life
|
2000s
Officially discontinued in 2000s
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gptkbp:first_introduced
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gptkb:1977
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gptkbp:has_community
|
VAX enthusiasts
VAX emulation projects
VAX preservation projects
VAX software repositories
VAX user groups
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gptkbp:has_documentation
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gptkb:VAX_Architecture_Reference_Manual
VAX Assembly Language Programming Guide
VAX Hardware Reference Manual
VAX Software Development Guide
VAX System Programming Guide
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gptkbp:has_legacy
|
influenced later architectures
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gptkbp:has_performance
|
high performance for its time
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gptkbp:has_programs
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gptkb:Macro-11
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gptkbp:has_units
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gptkb:IEEE_754_standard
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gptkbp:has_variants
|
gptkb:VAX_11/620
gptkb:VAX_11/780
gptkb:VAX_11/730
gptkb:VAX_11/750
gptkb:VAX_11/580
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gptkbp:historical_impact
|
Influenced later computer architectures
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|
https://www.w3.org/2000/01/rdf-schema#label
|
VAX architecture
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gptkbp:influenced_by
|
gptkb:PDP-10
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gptkbp:input_output
|
Multiple I/ O channels
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gptkbp:instruction_execution
|
Microprogrammed control
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gptkbp:instruction_set
|
gptkb:Complex_Instruction_Set_Computing_(CISC)
VAX instruction set
Variable-length instructions
VAX control instructions
VAX data movement instructions
VAX floating-point instructions
VAX string instructions
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gptkbp:introduced_in
|
gptkb:1977
|
|
gptkbp:is_integrated_with
|
Integrated with various peripherals
|
|
gptkbp:is_used_in
|
gptkb:academic_research
data centers
industrial applications
government applications
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|
gptkbp:legacy
|
Still in use in some legacy systems
Legacy support in modern systems
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|
gptkbp:market_segment
|
Mid-range computers
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|
gptkbp:memory_type
|
Paged memory management
|
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gptkbp:network
|
Supports DECnet
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gptkbp:notable_applications
|
Scientific computing
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gptkbp:notable_features
|
Rich instruction set
|
|
gptkbp:notable_for
|
its backward compatibility
Virtual Address e Xtension
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gptkbp:notable_models
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gptkb:VAX_11/780
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gptkbp:operating_system
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gptkb:VMS
|
|
gptkbp:performance
|
Multi-user and multitasking capabilities
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gptkbp:power_consumption
|
Higher power consumption compared to RISC
|
|
gptkbp:production_years
|
2000s
|
|
gptkbp:programming_language
|
Supports multiple programming languages
|
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gptkbp:ram
|
Up to 4 GB
Supports virtual memory
|
|
gptkbp:registration
|
16 general-purpose registers
|
|
gptkbp:related_to
|
gptkb:PDP-11
gptkb:Open_VMS
|
|
gptkbp:reliability
|
High reliability and uptime
|
|
gptkbp:replaced_by
|
Alpha architecture
Itanium architecture
|
|
gptkbp:security_features
|
Supports various security features
|
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gptkbp:storage
|
Supports various data storage options
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gptkbp:successor
|
gptkb:VAX_4000_series
gptkb:PDP-11
Alpha architecture
|
|
gptkbp:supports
|
virtual memory
multiple data types
multi-user environments
multiprocessing
32-bit addressing
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gptkbp:used_in
|
VAX computers
|
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gptkbp:user_base
|
Large user base in academia and industry
|
|
gptkbp:user_interface
|
gptkb:Command_Line_Interface
|
|
gptkbp:uses
|
registers
memory management unit
CISC instruction set
|
|
gptkbp:virtualization_support
|
Limited virtualization capabilities
|
|
gptkbp:bfsParent
|
gptkb:VAX_11/50
gptkb:VAX_11/70
gptkb:VAX_11/780
gptkb:VAX_11/500
gptkb:VAX_11/730
gptkb:VAX_11/30
gptkb:VAX_6000
gptkb:VAX_9000
gptkb:VAX_11/10
gptkb:DEC_10000_Series
gptkb:VAX_11/750
gptkb:VAX_11/400
gptkb:VAX_11/450
gptkb:VAX_11/580
gptkb:Gordon_Bell
gptkb:VMS
gptkb:QVC
gptkb:VAX_series
gptkb:VAX_7000
gptkb:VAX_8000
gptkb:VAX_11/60
gptkb:VAX_11/80
gptkb:VAX_11/350
gptkb:VAX_11/40
gptkb:VAX_11/200
gptkb:VAX_11/20
gptkb:VAX_11/725
gptkb:VAX_11/300
gptkb:Alpha_ISA
gptkb:Open_VMS
gptkb:VAX/_VMS
|
|
gptkbp:bfsLayer
|
5
|