SIG MOD - SIG Management Of Data

SIGGRAPH - SIG on computer Graphics

SILO - System Integrating Logic Objects

SIM - Society for Information Management

SIM - Simulation

SIMD - "Single Instruction

SIMM - Single In - line Memory Modules

SIMS - Sun Internet Mail Server

SIMS - Survey Information Management System

SIO - Start I/O

SIP - SMDS Interface Protocol

SIP - Single In - line Package

SIP - Session Initiation Protocol

SIPEX - Satellite IP Exchange

SIPP - Single In - line Pin Package

SIR - Software Incident Report

SIR - Sustained Information Rate

SIR - Serial Infrared

SISAL - Stream and Iteration in a Single Assignment Language

SISD - "Single Instruction

SISO - "Single Input

SITE - "Software

SKIP - Simple Key management for Internet Protocols

SLA - Serial Level Agreement

SLA - Software Fault Analysis