Discussion
Assertion (A) : In serial communication system, when the transmission of data goes in both ways, it is called full-duplex system. Now if two micro processors are connected in full duplex mode, the amount of data transmitted will be double to the amount of data in half-duplex mode connection.
Reason (R) : When the transmission of data goes in one way, it is called half-duplex system and when the data moves in both ways, it is called full duplex system.
Answer: D
Following the official key, the Assertion is false and the Reason is true. The Reason correctly defines half duplex (data one way at a time) and full duplex (data both ways at once). The Assertion claims that the amount of data in full duplex will be double that of half duplex, which depends on the link and the traffic, so it is not true as a general statement.
The first half of the Assertion only repeats the definition, but its conclusion about doubling is the part judged wrong.
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