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Digital Concepts

Q1: Digital signals transmitted on a single conductor (and a ground) must be transmitted in:

A slow speed.

B parallel.

C analog.

D serial.

ANS:D - serial.

Over a single conductor, signal can only be sent in pulses (for digital data). The signal is to be encoded in a pulse code (like PCM, DPCM, PWM, etc) which means that the data will travel with respect to time which is i.e Serial communication.



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