• Enhanced Parallel Port Ring topology
  • Interrupt request Rip
  • Amp RISC
  • Boot Record Riser Card
  • Precision RJ-11
  • World Wide Web (WWW) RJ-45
  • Enterprise Resource Planning rlogin
  • ICMP RMON
  • Super XGA RMON2
  • Petabyte RMS
  • DSTN ROB
  • FAT-16 Robot
  • PPP ROFL
  • Microsoft Certified System Engineer ROFL, ROTFL, ROTFLMAO, ROTFLMAOSTC
  • DIMM ROM
  • Web Root
  • DDR SDRAM Root directory
  • Buffered memory Root Mean Square
  • Video Cassette Recorder ROP
  • freeware router
  • Direct Memory Access RPC
  • Socket 5 RPG
  • XSL RPM
  • Smalltalk RS-232
  • Ctrl rsn
  • Zettabyte rtf
  • Enhanced IDE rtfm
  • Intermediate Code RTM
  • Full parity Runtime
  • Very Long Instruction Word Runtime Error
  • Folder Runtime Library
  • Optical Character Recognition S-Video