
Serial Communication in 8051-2
Authored by Niraimathi MECS3B
Science
University
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which register in the 8051 is used to configure the serial communication mode (8-bit or 9-bit) during serial data transmission?
SBUF
TCON
SCON
PCON
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the 8051, what is the role of the SM0 and SM1 bits in the SCON register?
Baud rate selection
Serial mode selection
Start bit detection
Stop bit detection
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In 8051 serial communication, which interrupt flag is set when a byte is completely received?
RI (Receive Interrupt)
TI (Transmit Interrupt)
IE (Interrupt Enable)
EA (Enable All)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the REN bit in the SCON register of the 8051?
Register Enable
Receive Enable
Reset Enable
Read Enable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the SCON register's SM2 bit in the 8051 serial communication?
Baud rate generation
Stop bit configuration
Multiprocessor communication
Start bit detection
6.
OPEN ENDED QUESTION
3 mins • Ungraded
What is your name?
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OFF
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Type your 12 digit roll number
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OFF
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