Why higher speed communications in parallel transmission require shorter length?(a) Cost(b) Resistance(c) Inductive and capacitance effects(d) NoiseThis question was posed to me during a job interview.Question is taken from Parallel and Serial Transmission topic in section Digital Communication Techniques of Avionics

Why higher speed communications in parallel transmission require short

1.	Why higher speed communications in parallel transmission require shorter length?(a) Cost(b) Resistance(c) Inductive and capacitance effects(d) NoiseThis question was posed to me during a job interview.Question is taken from Parallel and Serial Transmission topic in section Digital Communication Techniques of Avionics
Answer» The correct option is (C) INDUCTIVE and capacitance effects Easiest explanation: As the SPEED of transmission or the frequency of transmission increases the wavelength of transmission BECOMES comparable with the length of the data bus. This causes inductive and capacitance effects which degrade the SIGNAL.

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