Computer Science for IGCSE & O level - Data Transmission (Section 4 - No. 6)

Which of the following best describes how data is transferred using parallel data transmission?

Data is sent one bit at a time over a single wire.

Data is sent as a series of packets.

Data is sent multiple bits at a time over several wires.

Data is only sent in one direction.

Parallel data transmission transfers multiple bits concurrently, using separate wires.