Upgrading and Repairing PCs (17th Edition)

RAB (RAID Advisory Board)

RAID (redundant array of independent [or inexpensive] disks)

RAM (random access memory)

RAMAC (Random Access Method of Accounting and Control)

RAMDAC (RAM digital-to-analog converter)

RBOC (regional Bell operating company)

RCA (Radio Corporation of America)

RDRAM (Rambus DRAM)

RF (radio frequency)

RFI (radio-frequency interference)

RGB (red green blue)

RIAA (Recording Industry Association of America)

RIMM (Rambus inline memory module)

RISC (reduced instruction set computer)

RLL (run length limited)

RMA (return-merchandise authorization)

RNG (random number generator)

ROM (read-only memory)

ROM BIOS (read-only memory basic input-output system)

RPC (regional playback control)

RPS (redundant power supply)

RRIP (Rock Ridge Interchange Protocol)

RS (recommended standard)

RTC (real-time clock)

RTC/NVRAM (real-time clock/nonvolatile memory)

RTF (Rich Text Format)