What does the term "latency" refer to in digital signal processing?

A) The delay between input and output signals

B) The speed of signal processing

C) The resolution of the signal

D) The amount of noise in the system

Answer: A) The delay between input and output signals

Explanation: Latency is the time delay from when an input signal is applied to a system until the corresponding output is produced. It is an important factor in applications like audio processing and real-time systems.