Short for access control list, a set of data that informs a computer’s operating system which permissions, or access rights, that each user or group has to a specific system object, such as a directory or file. Each object has a unique security attribute that identifies which users have access to it, and the ACL is a list of each object and user access privileges such as read, write or execute.
Abbreviation of the Association for Computing Machinery, an organization composed of U.S. computer professionals. Founded in 1947, the ACM publishes information relating to computer science, holds seminars, and creates and promotes computer standards.
Short for Advanced Configuration and Power Interface, a power management specification developed by Intel, Microsoft, and Toshiba. ACPI, which will be part of the next version of Windows, enables the operating system to control the amount of power given to each device attached to the computer. With ACPI, the operating system can turn off peripheral […]
Short for Automated Cartridge System Library Software, ACSLS is the software that controls an Automated Cartridge System (ACS).
The coding system used by Dolby Digital. The two terms, AC-3 and Dolby Digital, are often used interchangeably.
Abbreviation of Apple Desktop Bus, a type of communications pathway built into all pre-G4 versions of the Apple Macintosh computer since the SE (except the iMac and the ibook). It is used to connect low-speed input devices such as the keyboard and mouse. ADB ports are designated with the icon. A single ADB port can […]