An analog signal can have an infinite number of states.

• A. True
• B. False
• C. It depends on the system
• D. Not applicable

Answer: (A)

Analog signals are continuous in both time and amplitude, so between any two values there are infinitely many possible intermediate values. This means the signal can assume an uncountable number of states within its range. In other words, the number of distinct states an analog signal can represent is infinite in theory. In practice, real systems use finite resolution due to noise and the limits of measurement or conversion, but the fundamental property remains: analog signals can theoretically take an infinite number of values. Digital signals, by contrast, are quantized to a finite set of levels.