Computer Science for IGCSE & O level - Data Transmission (Section 2 - No. 29)
In a data transmission, what does the term "serial data transmission" mean?
Data is sent one bit at a time over a single wire.
Data is sent multiple bits simultaneously over multiple wires.
Data is sent wirelessly.
Data is encrypted before transmission.
Explication
Serial data transmission transmits data sequentially, bit by bit.