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.
Giải thích
Serial data transmission transmits data sequentially, bit by bit.