About: direct access storage device

Premodifier: direct access storage
Head noun: device

Same concepts
http://dbpedia.org/resource/Direct-access_storage_device

Broader concepts

label	provenance	confidence
i/o device	isap:396590231	0.828686
storage device	isap:396591168	0.724665
storage media	isap:122523447	0.716783

Narrower concepts

label	provenance	confidence
disk drive	isap:156235371	0.588445
disk	isap:305546135	0.504977