a-Si (hydrogenated amorphour silicon)
ABC (Atanasoff-Berry Computer)
AC (alternating current)
ACL (access control list)
ACPI (Advanced Configuration and Power Interface)
ACR (advanced communications riser)
ADC (analog-to-digital converter)
ADF (adapter description files)
ADPCM (adaptive differential pulse code modulation)
ADR (advanced digital recording)
ADSL (asymmetric DSL)
AFC (antiferromagnetically coupled)
AGC (automatic gain control)
AGP (Accelerated Graphics Port)
AHA (accelerated hub architecture)
AHRA (Audio Home Recording Act)
AIT (advanced intelligent tape)
ALDC (advanced lossless data compression)
ALi (Acer Laboratories, Inc.)
AMD (Advanced Micro Devices)
AMI (American Megatrends, Inc.)
AMR (anistropic magneto-resistant)
AMR (audio modem riser)
ANSI (American National Standards Institute)
APA (all points addressable)
API (application programming interface)
APIC (advanced programmable interrupt controller)
APM (Advanced Power Management)
APS (analog protection system)
ARCnet (Attached Resource Computer Network)
ARLL (advanced run length limited)
ARQ (automatic repeat request)
ASCII (American Standard Code for Information Interchange)
ASME (American Society of Mechanical Engineers)
ASPI (Advanced SCSI Programming Interface)
AT (Advanced Technology)
ATA (AT Attachment)
ATAPI (AT Attachment Packet Interface)
ATF (auto tracking following)
ATM (asynchronous transfer mode)
ATX (advanced technology extended)
AVI (audio video interleave)
AWG (American Wire Gauge)
