You have come upon the archive of information starting with the letter R. For some time CKnow was not collecting acronyms and definitions but now is. This page shows the older entries with links to the current pages. Use the links below to jump to a specific entry in the archive. A more complete list of all current and archived acronyms and definitions is here.

• RADIUS = Remote Authentication Dial-In User Service
• RADSL = Rate-Adaptive Digital Subscriber Line
• RAID = Redundant Array of Independent (or Inexpensive) Disks
• RAM = Random Access Memory
• RAMDAC = Random Access Memory Digital-to-Analog Converter
• RARP = Reverse Address Resolution Protocol
• RAS = Remote Access Services
• RC4 = RC4 Stream Cipher (Rivest Cipher 4 or Ron's Code)
• RDBMS = Relational Database Management System
• RDF = Resource Description Framework
• RDRAM = Rambus DRAM
• Registry = A guide to Windows registry information
• RFC = Request for Comments
• RFI = Radio Frequency Interference
• RFID = Radio Frequency Identification
• RFP = Request for Proposal
• RGB = Red Green Blue
• RIP = Raster Image Processor
• RIP = Regulation of Investigatory Powers Act 2000
• RISC = Reduced Instruction-Set Computing
• RJ-11 & RJ-45 = Registered Jack-11 & Registered Jack-45
• RLL = Run Length Limited
• RMB = Right Mouse Button
• RMON = Remote Monitoring
• RMTP = Reliable Multicast Transport Protocol
• ROFL = Rolling On Floor, Laughing
• ROM = Read-Only Memory
• RPG = Report Program Generator
• RPG = Role-Playing Game
• rpm = Revolutions per Minute
• RSN = Real Soon Now
• RSVP = Resource Reservation Setup Protocol
• RTF = Rich Text Format
• RTFM = Read The F___ing Manual
• RTSP = Realtime Streaming Protocol
• RTT = Round-trip Time