Glossary
Absolute address An address of an exact location in memory (Section 2.3.2, Section 5.3).
AC0–AC3 The four accumulators available in the C55x (Section 2.3.1).
Accumulator A register that is used as both the source and destination for arithmetic operations,
as in accumulating a sum (Section 2.3).
Ack Shor t for acknowledge, a signal used in handshaking protocols (Section 4.1.1).
ACPI Advanced Configuration and Power Interface, an industry standard for power management
interfaces (Section 6.6).
Activation record A data structure that describes the information required by a currently active
procedure call (Section 2.2.3).
Active class A UML class that can create its own thread of control (Section 6.2.4).
Active low A logic 0 that denotes activity ...