Advanced Programmable Interrupt Controller, a newer version of the original PC PIC (programmable interrupt controller). Most modern CPUs contain an on-chip APIC ("local APIC"). Many systems [..]

Physical Address Extension. This allows accessing more than 4 GB of RAM even in 32-bit environments; see Section 3.3.2, “"Advanced" tab”.

Advanced Configuration and Power Interface, an industry specification for BIOS and hardware extensions to configure PC hardware and perform power management. Windows 2000 and higher as well as Linux 2 [..]

Advanced Host Controller Interface, the interface that supports SATA devices such as hard disks. See Section 5.1, “Hard disk controllers: IDE, SATA (AHCI), SCSI, SAS, USB MSD”.

The hardware virtualization features built into modern AMD processors. See Section 10.3, “Hardware vs. software virtualization”.

Application Programming Interface.

Advanced Technology Attachment, an industry standard for hard disk interfaces (synonymous with IDE). See Section 5.1, “Hard disk controllers: IDE, SATA (AHCI), SCSI, SAS, USB MSD”.

Basic Input/Output System, the firmware built into most personal computers which is responsible of initializing the hardware after the computer has been turned on and then booting an operating system. [..]

Microsoft Component Object Model, a programming infrastructure for modular software. COM allows applications to provide application programming interfaces which can be accessed from various other prog [..]

Dynamic Host Configuration Protocol. This allows a networking device in a network to acquire its IP address (and other networking details) automatically, in order to avoid having to configure all devi [..]