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Question

Half duplex data transmission is defined as.

A
Either party can send data to other at same time
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B
Either party can send data to other alternately
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C
Both parties can send and receive data but not at the same time
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D
Only one party can send data to other
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Solution

The correct option is B Either party can send data to other alternately

Half duplex data transmission is defined as Either party can send data to other alternately.

half-duplex. (adj.)Refers to the transmission of data in just one direction at a time. ... In contrast, a telephone is a full-duplex device because both parties can talk simultaneously. Duplex modes often are used in reference to network data transmissions.

The primary difference between three modes of transmission is that in a simplex mode of transmission the communication is unidirectional or one-way whereas, in the half duplex mode of transmission the communication is two-directional, but the channel is interchangeably used by the both the connected devices.

Refers to the transmission of data in just one direction at a time. For example, a walkie-talkie is a half-duplex device because only one party can talk at a time. In contrast, a telephone is a full-duplex device because both parties can talk simultaneously.

Refers to the transmission of data in two directions simultaneously. For example, a telephone is a full-duplex device because both parties can talk at once. In contrast, a walkie-talkie is a half-duplex device because only one party can transmit at a time.


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