Destructive Physical Analysis 
Document Printing Application 
Data Processing Assembly 
Demand Protocol Architecture 
Dual Phone Adapter 
Dearborn Protocol Adapter 
Degration Performance Analysis 
Detector Package Assembly 
Differential Power Analysis 
Digital Performance Archive 
Digital Port Adapter 
Digital Pre-Assembly 
Document Printing Architecture 
Defense Production Administration 
Delegated Procurement Authority 
Demand Priority Access 
Demand Priority Architecture 
Democratic Progressive Alliance 
Distributed Password Authentication 
Distributed Password Authorization 
Distributed Power Architecture 
Distribution Plan Authorization 
Driver Power Amplifier 
Drop Pitman Arm 
Dynamic Phase Alignment 
Dynamic Pointer Array