RDS - Read Data Stepper

RDS - Random Data Stereograme

RDT - Rate Distortion Theory

RDU - Renaming Duration

REC - Remote Exception Class

RED - Rapid Evolutionary Development

REG - Register

REGEDIT - Registry Editor

REIL - Rank - Expansion with Instant Learning

RELUR - Relative Uniform Resource Identifiers

REM - Remark

REM - Remote

REPROM - Reprogrammable Read Only Memory

REQ - Request

RET - Return

REX - Remote Executive

REXX - Restrictioned Extended Executor

RFALCON - Reinforcement Fuzzy Adaptive Learning Control Network

RFC - Requests For Comment

RFD - Resource Flow Diagram

RFD - Request For Discussion

RFDC - Radio Frequency Identification

RFI - Ratio Frequencing Interface

RFNM - Ready Nor Next Message

RFP - Request for Proposal