Modems are used for data transmission telephone lines to
A. Increase the transmission capacity
B. Improve noise performance
C. Incorporate error control coding
D. Eliminate dc component in the transmitted signal
Answer: Option A
A. Increase the transmission capacity
B. Improve noise performance
C. Incorporate error control coding
D. Eliminate dc component in the transmitted signal
Answer: Option A
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above
Join The Discussion