[1] Dual Attach Station (in Verbindung mit Doppelringen, z.B: FDDI)

[2] Data Acquisition (Sub-)System

[3] DATATRON Assembly System (->"IEEE Standard Dictionary")

[4] Disturbance Analysis System

[5] Directory Assistance System

[6] Data Analysis Station (->"NASA Acronym List")

[7] Digital Avionics System (->"NASA Acronym List")