1.

RS232 is used for long range wired communication.(a) True(b) FalseThis question was posed to me at a job interview.This intriguing question originated from UART Protocol topic in chapter Internet Principles of IOT

Answer»

Correct choice is (a) True

For explanation I would say: For long range communications we can convert UART protocol using an external IC to RS232 or RS485, the LATTER of which can be used for wired communication @100 kbits/sec up to 1.2km.



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