In terms of frequency response, what information does a Bode plot provide?

A Bode plot is a graphical representation that illustrates the frequency response of a system, specifically showing how the magnitude and phase of the output signal vary with frequency. The magnitude plot typically displays the gain or amplitude response (in decibels) versus frequency, while the phase plot shows the phase shift (in degrees) as a function of frequency.

This dual representation is crucial for engineers when analyzing system behavior, as it encapsulates both how much the system amplifies or attenuates signals at different frequencies and how the output signal is phase-shifted relative to the input. This comprehensive view allows for better understanding and designing of control systems, filters, and other electronics that depend on frequency-dependent behavior.

In contrast, focusing solely on the amplitude or only on the phase shift misses critical aspects of the system's response. Understanding both magnitude and phase is essential for ensuring proper system performance, stability, and response to various frequency inputs. Hence, the option that states both magnitude and phase response of a system provides the complete information needed in frequency response analysis is accurate.