RS 485 protocols - MCQs with answers
RS 485 protocols - MCQs with answers
1. Which protocol standard of serial communication specify the bi-directional and half-duplex form of data transmission by allowing various numbers of drivers and receivers in bus configuration?a. RS232
b. RS2485
c. RS422
d. RS423
View Answer / Hide Answer2. What is the maximum device handling capacity of serial standard protocol RS485 in terms of drivers and receivers on a single line? a. 8
b.10
c.16
d. 32
View Answer / Hide Answer3. Which mechanism automates the enabling of RS485 transceiver with an elimination of hardware handshake line during each time of the data transmission ?a. RTS Control
b. Send Data Control
c. Tri-State Control
d. Bit-wise Enable Timing Control
View Answer / Hide AnswerANSWER: b. Send Data Control
