Which of the following is true about "aliasing" in digital signal processing?
A) It only occurs in analog systems.
B) It can be avoided by using a higher sampling rate.
C) It enhances the quality of the signal.
D) It is a result of high-frequency signals being removed.
Answer: B) It can be avoided by using a higher sampling rate.
Explanation: Aliasing occurs when high-frequency signals are misrepresented as lower frequencies due to insufficient sampling rates. Using a higher sampling rate can help prevent this effect.