A walkie-talkie operates in ____________
A. simplex
B. half duplex
C. full duplex
D. semi-duplex
Answer:B
A walkie-talkie operates in ____________
A. simplex B. half duplex C. full duplex D. semi-duplex
Explanation: A walkie-talkie operates in half duplex mode. It can only send or receive a transmission at any given time.