Computer Science for IGCSE & O level - Data Transmission (Section 4 - No. 17)
What is the difference between simplex and duplex transmission?
Simplex sends data in one direction, duplex in both directions.
Simplex sends data in both direction, duplex in one direction.
Simplex uses less bandwidth, while duplex uses more bandwidth.
There is no difference; they are the same thing.
Explication
Simplex is one-way communication, duplex is two-way.