BITBasic Information Unit / Binary DigIT (sometimes as bit) / Built In Test
PHUNPhreaker/Hackers Underground Network
SDSISimple Distributed Security Infrastructure
ROTFLAHMSRolling On The Floor Laughing And Holding My Side
DDPDatagram Delivery Protocol / Direct Distribution Panel / Distributed Data Processing
HSSIHigh Speed Serial Interface
NIPSNeural Information Processing Systems
ACCAudio Communications Controller
TADTelephone Answering Device
ROFLASTCRolling On (the) Floor Laughing And Scaring The Cat
NTNested Task (flag) / Network Termination / New Technology (as in Windows NT) / Network Terminal / Northern Telecom
RTORQReliable Transfer Open Request
TURTraffic Usage Recorder(ing) / Trunk Usage Recording / Trunk Utilization Report
TTCNTree and Tabular Combined Notation
MICRMagnetic Ink Character Recognition
BOPSBillion Operations Per Second
BITBasic Information Unit / Binary DigIT (sometimes as bit) / Built In Test