(Application Program Interface) A defined set of routines and protocols for building application software.
(Digital Signal Processing) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.
(Interrupt Service Routine) Also known as an interrupt handler, an ISR is a callback function whose execution is triggered by a hardware interrupt (or software interrupt instructions) and is used to handle high-priority conditions that require interrupting the current code executing on the processor.
(Neural Network) is a network or circuit of neurons, or in a modern sense, an artificial neural network, composed of artificial neurons or nodes.
(eXecute In Place) a method of executing programs directly from long term storage rather than copying it into RAM, saving writable memory for dynamic data and not the static program code.