Honeywell DDP-516 minicomputer

E4677

The Honeywell DDP-516 minicomputer was a rugged, 16-bit computer from the 1960s widely used in real-time and military applications, notably serving as the hardware platform for the original ARPANET Interface Message Processors.


Statements (47)
Predicate Object
instanceOf minicomputer
applicationDomain command and control systems
communications switching
process control
architectureType 16-bit architecture
bitWidth 16-bit
category real-time minicomputer
controlFeature hardware interrupts for real-time response
controlType parallel, synchronous logic
countryOfOrigin United States
deploymentPeriod early 1970s
late 1960s
designFeature real-time interrupt capabilities
rugged construction
era 1960s
family Honeywell DDP series
hardwareRole Interface Message Processor platform
historicalSignificance one of the first computers used as a dedicated network processor
instructionSetType fixed-word instruction set
intendedUse military applications
real-time computing
interfaceRole interface between host computers and ARPANET
manufacturer Honeywell
marketedAs real-time data processor
memoryType core memory
notableFor supporting the first operational packet-switched network
notableProperty high reliability for real-time tasks
widely deployed in early computer networking research
notableUse ARPANET Interface Message Processor hardware platform
operatingEnvironment harsh environments
packaging cabinet-mounted system
powerRequirement suitable for continuous operation
reliabilityFeature designed for 24/7 operation
roleInARPANET host interface and packet switching control
successorTo Honeywell DDP-116
technologyGeneration second-generation minicomputer
usedAs embedded controller in larger systems
usedBy Bolt Beranek and Newman
U.S. Department of Defense projects
research institutions connected to ARPANET
usedFor packet-switching control in ARPANET
usedIn data acquisition
defense systems
early network research laboratories
industrial control
usedInNetwork ARPANET
wordLength 16 bits

Referenced by (6)
Subject (surface form when different) Predicate
ARPANET Interface Message Processor platform
IMP
Interface Message Processor
basedOn
Honeywell DDP-516 ("Honeywell computers")
category
Honeywell DDP-516 ("Honeywell DDP series")
family
IMP ("Honeywell DDP-516")
hardwarePlatform

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