Harris 20-20 digital exchanger
program control digital exchanger
Digital Program-Controlled Exchanger
program-controlled digital users exchanger
Digital 8 tape Digital 8
Digital Archived Digital Publish
Digital In-Analog Out Digital Audio Equipment
digital province and digital city
Digital Radiography Digital Radiograph
Digital Selective Calling Digital Selective Calling
Digital Signal Level 0- Digital Signal Level 3 DS0-DS3
digital theater systems digital surround
Digital Video and Digital Audio
digital-analog-analog-digital
digital-to-digital data converter
the Interface Between Digital terminal and Digital Exchange
(+)Digital matched-filter
“Digital Landslide” ttechniquel