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Signals and Switches - Technical MCQs

Q1:

Serial communication can be sped up by:

A using silver or gold conductors instead of copper

B using high-speed clock signals

C adjusting the duty cycle of the binary information

D adjusting the duty cycle of the binary information

ANS:D - adjusting the duty cycle of the binary information

Serial ports use two-level (binary) signaling, so the data rate in bits per second is equal to the symbol rate in bauds. So option is C.