Computer Science for IGCSE & O level - Data Transmission (Section 5 - No. 33)
What is the key difference between serial and parallel data transmission?
Serial transmits data one bit at a time, while parallel transmits several bits simultaneously.
Serial is used for long distances, while parallel is for short distances.
Serial is always simplex, while parallel is always full-duplex.
There is no real difference between these methods
Explanation
Serial transmits bits one after another on a single channel, while parallel transmits multiple bits at once.
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