Signals and Switches

Q1: Serial communication can be sped up by:

A using silver or gold conductors instead of copper

B adjusting the duty cycle of the binary information

C adjusting the duty cycle of the binary information

D using high-speed clock signals

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.



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