APS - Advanced Photo System
APS - Advanced Planning and Scheduling
APS - Analog Protection System
APS - Asynchronous Protocol Specification
APS - Automatic Protection Switching
APSE - Ada Programming Support Environment
APSE - Agfa Publishing Systems Environment
APSL - Apple® Public Source License
APT - Address Pass Through
APT - Advanced Packaging Tool
APT - Advanced Photoscale Technology
APT - Alliance for Public Technology
APT - Automatically Programmed Tools
APTC - Advanced Processor Temperature Control
APTC - Authorized Prometric Testing Centre
APTM - Application Program to Transaction Manager
APU - Application Processing Unit
APU - Audio Processing Unit
APXS - APache eXtenSion
AR - Access Rate
AR - Administrative Request
AR - Augmented Reality
ARA - Administrative Request Acknowledge
ARA - Appletalk Remote Access
ARAD - Architected Rapid Application Development
ARAG - AntiReflection AntiGlare
ARAP - Appletalk Remote Access Protocol
ARAS - Anti-Reflective and Anti-Static
ARAS - Appletalk Remote Access Service
ARB - Application Reference Board
ARB - Architecture Review Board
ARC - Adaptec® RAID Configuration
ARC - Advanced RISC Computing
ARC - Argonaut RISC Chip
ARCA - Advanced RISC Computing Architecture
ARCNET - Attached Resource Computer Network
ARCS - Advanced Research Computing Services
ARE - All Routes Explorer
AREN - Alabama Research and Education Network
AREXX - Amiga Restructured EXtended eXecutor
ARIN - American Registry of Internet Numbers
ARJ - Archive Robert Jung
ARKD - Abuse Resistant Key Distribution
ARL - Acceptable Reliability Level
ARL - Access Rights List
ARL - Austin Research Lab
ARLL - Advanced Run-Length Limited
ARM - Abstract or Resource Model
ARM - Acorn RISC Machine
ARM - Adaptive Rate Multiserving
ARM - Advanced RISC Machines
ARM - Annotated Reference Manual
ARM - Application Response Measurement
ARM - Asynchronous Response Mode
ARMA - Association of Record Managers and Administrators
ARMS - Architecture for Reliable Managed Storage
ARMS - Automation Resources Management System
ARNS - Appletalk Remote Network Server
AROM - Alterable Read-Only Memory
ARP - Address Register Pointer
ARP - Address Resolution Protocol
ARP - Another RDF Parser
ARPA - Advanced Research Projects Agency
ARPANET - Advanced Research Projects Agency Network
ARPDP - Association of Rehabilitation Programs in Data Processing
ARPU - Average Revenue Per User
ARQ - Automatic Repeat reQuest
ARQ - Automatic Retransmission reQuest
ARR - Address Range Registrers
ARRA - Announced Retransmission Random Access
ARS - Action Request System
ARS - Audio Response System
ARS - Automated Retrieval System
ARS - Automatic Route Selection
ARSC - Arctic Region Supercomputing Center
ARSHD - Ataman Remote SHell Daemon
ART - Adaptive Resonanse Theory
ART - Advanced Resolution Technology
ARTS - Accelerated Ray-Tracing System
ARTS - Association for Retail Technology Standards
ARTS - Asynchronous Remote Takeover Server
ARTT - Asynchronous Remote Takeover Terminal
ARU - Air Removal Unit
ARU - Alarm Relay Unit
ARU - Audio Response Unit
AS - Advanced Server
AS - Advanced Switching
AS - Applicability Statement
AS - Application Server
AS - Authentication Service
AS - Autonomous System
AS400 - Application System/400
ASA - Adaptive Server Anywhere
ASA - Adaptive Simulated Annealing
ASA - Advanced SCSI Architecture
ASA - Alabama Supercomputer Authority
ASA - American Standards Association
ASAC - Application Security Attack Components
ASAM - ATM Subscriber Access Multiplexer
ASAP - Application Security Assurance Program