Complex sentence: First released in December 1996, ACPI defines platform-independent interfaces for hardware discovery, configuration, power management and monitoring, and is designed to replace Advanced Power Management, the MultiProcessor Specification and the Plug and Play BIOS Specification.
Split into simpler sentences: First released in December 1996, ACPI defines platform-independent interfaces for hardware discovery, configuration, power management and monitoring. It aimed to replace Advanced Power Management, the MultiProcessor Specification and the Plug and Play BIOS Specification.