Question

the diagram shows two original waves and a copy made when each wave was transmitted over a distance and altered by noise. based on the data, which statement describes the most reliable way to transmit information and tells why? a. analog signals are more reliable because they are less affected by noise. b. analog signals are more reliable because they are enhanced by noise. c. digital signals are more reliable because they are less affected by noise. d. digital signals are more reliable because they are enhanced by noise.

Explanation:

Analog signals change continuously and are easily distorted by noise as seen in the altered copy. Digital signals are discrete and can better resist noise - the digital copy in the diagram is closer to the original compared to the analog one.

Answer:

C. Digital signals are more reliable because they are less affected by noise.