"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
Previous section of 'A' to 'Ad' acronyms and terms
| AECS | - | Aeronautical Emergency Communications System |
| AES | - | Audio Engineering Society |
| AES | - | Advanced Encryption Standard |
| AF | - | Audio Frequency |
| AFC | - | automatic frequency control |
| AFDX | - | Avionics Full Duplex Switched Ethernet [Network] |
| AFRS | - | Armed Forces Radio Service |
| AGATE | - | Advanced General Aviation Experiments |
| AGC | - | Automatic Gain Control |
| AGE | - | aerospace ground equipment |
| AGP | - | Accelerated Graphics Port |
| AI | - | Artificial Intelligence |
| AIAA | - | American Institute of Aeronautics and Astronautics |
| AIDASS | - | Advanced Integrated Data Acquisition and Stimulation System |
| AIG | - | address indicator group |
| AIM | - | amplitude intensity modulation |
| AIMM | - | AGP Inline Memory Module |
| AIN | - | advanced intelligent network |
| AIOD | - | automatic identified outward dialing |
| AIS | - | automated information system |
| AJ | - | anti-jamming |
| ALC | - | automatic level control, automatic load control |
| ALE | - | automatic link establishment |
| AlGaInN | - | Aluminum Gallium Indium Nitride |
| AlGaInP | - | Aluminum Gallium Indium Phosphide |
| ALT | - | Accelerated Life Testing [Unit Test Acronyms] |
| ALU | - | Arithmetic Logic Unit |
| ALS | - | Advanced Low power Schottky [IC Manufacturers] |
| A/m | - | Amperes per Meter |
| AM | - | Amplitude Modulation |
| AM2 | - | Advanced MicroDevices 2, Processor, Motherboards |
| AMA | - | automatic message accounting |
| AMBA | - | Advanced Microcontroller Bus Architecture [SoC Bus] |
| AMC | - | Advanced Mezzanine Card [AMC Board Manufacturers] |
| AME | - | amplitude modulation equivalent, automatic message exchange |
------------------------------
Next set of "A" Abbreviations and Acronyms
