Many low -speed channels are interwoven into one high- speed transmission by a __________
A. time division multiplexer.
B. frequency division multiplexer.
C. code division multiplexer.
D. repeaters.
Answer:A
Many low -speed channels are interwoven into one high- speed transmission by a __________
A. time division multiplexer. B. frequency division multiplexer. C. code division multiplexer. D. repeaters.