Glossary:A

• AACS : Advanced Access Content System, DRM used on HD DVD and Blu-ray Disc
• ACC : Accelerated Program Operation - control signal
• accumulator : a register in a CPU in which intermediate arithmetic and logic results are stored
• Ada : named after Ada Lovelace (1815–1852), was an analyst of Charles Babbage's analytical engine and considered by many 'the first programmer' (see also Women_in_computing).
• address : several bits in a computer program instruction that specifies a memory location
• AEC : Acoustic Echo Cancellation
• AES : Advanced Encryption Standard
• ALE : Address Latch Enable - control signal
• ALU : Arithmetic logic unit
• Ambient noise : is the background sound pressure level at a given location.
• Ambient temperature : is the temperature of the surroundings.
• AMD : Advanced Micro Devices Inc. multinational semiconductor company
• API : Application programming interface
• amd64 : see x86-64
• APU : Accelerated processing unit
• AR : Augmented reality
• ASIC : Application-specific integrated circuit is an integrated circuit (IC) customized for a particular use, rather than intended for general-purpose use.
• ASLR : Address space layout randomization
• ASSY or ASY : assembly - referring to an assembly of parts rather than just one (sub)part ("piece part", "detail part").
• ATAPI : ATA Packet Interface
• AVX : Advanced Vector Extensions
• AWG : American Wire Gauge, see Wiring