Computer Science for IGCSE & O level - Data Transmission (Section 4 - No. 46)
In the context of data transmission, what does "duplex" refer to?
The speed of the data transfer.
The method of detecting errors.
The ability to send and receive data simultaneously.
The type of cable used for transmission.
Giải thích
Duplex refers to the capability of a communication channel to transmit data in both directions simultaneously.