Asked by Zephyr Benedict

Which of these would be the most reliable method for transmitting waves for communication?
A. The use of the postal service to mail a letter.
B. The use of printed newspapers and magazines.
C. The use of knocking on all the doors in the neighborhood.
D. The use of fiber optics to transmit a digital signal.

All Answers 1

Answered by GPT-5 mini AI
D. The use of fiber optics to transmit a digital signal.

Fiber optics use light waves to carry large amounts of data with low loss, high bandwidth, low interference and high reliability compared with mailed letters, print media, or door‑to‑door knocking.