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Serial Communication in 8051

Authored by Niraimathi MECS3B

Science

University

Used 1+ times

Serial Communication in 8051
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Which mode of serial communication is commonly used in 8051 microcontrollers?


  1. Synchronous

Asynchronous

  1. Parallel

  1. Both a and b

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. What is the primary purpose of the SCON register in 8051 microcontroller for serial communication?


  1. Timer control

  1. Interrupt control

  1. Baud rate setting

Serial mode setting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. In 8051, which register is used to set the baud rate for serial communication?


TH1

SCON

SBUF

PCON

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. How many stop bits are commonly used in the 8051 serial communication?


1

0

2

1.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. What is the purpose of the TI (Transmit Interrupt) flag in the SCON register?


  1. Indicates data reception

  1. Indicates data transmission

  1. Indicates parity error

  1. Indicates frame error

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Which pin of the 8051 is commonly used for serial data transmission?


  1. P1.0

  1. P1.1

  1. P3.0

  1. P3.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. What is the maximum baud rate that can be achieved using a standard 11.0592 MHz crystal in 8051?


  1. 9600 bps

  1. 19200 bps

4800bps

2400bps

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