UART Protocol MCQ

Test your knowledge with important UART Protocol MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more UART Protocol MCQs on Bissoy. Bissoy App

• The term break derives from ___________ signaling.
  ক

  Current loop

  খ

  Voltage loop

  গ

  Power loop

  ঘ

  Current and Power loop
• A __________ occurs when the receiver input is at the space level.
  ক

  Overrun error

  খ

  Underrun error

  গ

  Framing error

  ঘ

  Break condition
• Which error occurs when the parity of the number of 1 bit disagrees with that specified by the parity bit?
  ক

  Overrun error

  খ

  Underrun error

  গ

  Framing error

  ঘ

  Parity error
• Which error occurs when the designated start and stop bits are not found?
  ক

  Overrun error

  খ

  Underrun error

  গ

  Framing error

  ঘ

  Break condition
• Which error occurs when UART transmitter has completed sending a character and the transmit buffer is empty?
  ক

  Overrun error

  খ

  Underrun error

  গ

  Framing error

  ঘ

  Break condition
• What is the speed of the 8250 UART?
  ক

  4800bits/sec

  খ

  1200bits/sec

  গ

  12000bit/sec

  ঘ

  9600bits/sec
• What is WD1402A?
  ক

  SPI

  খ

  USART

  গ

  SPIUART

  ঘ

  I2C
• Which error occurs when the receiver can’t process the character?
  ক

  Overrun error

  খ

  Underrun error

  গ

  Framing error

  ঘ

  Break condition
• Start bit of UART is logic high.
  ক

  True

  খ

  False
• Communication in UART is ___________
  ক

  Only simple

  খ

  Only duplex

  গ

  Only full duplex

  ঘ

  Simplex, half duplex, full duplex
• What does UART contain?
  ক

  Parallel register

  খ

  Shift register

  গ

  Clock

  ঘ

  Parallel shift register
• UART is similar to _________
  ক

  SPI protocol

  খ

  I2C protocol

  গ

  HTTP protocol

  ঘ

  MQTT protocol
• RS232 is used for long range wired communication.
  ক

  True

  খ

  False
• Finger print sensor uses which interface?
  ক

  USART protocol

  খ

  UART protocol

  গ

  SPI protocol

  ঘ

  I2C protocol
• GPS module like SIM900/800 uses which protocol?
  ক

  UART protocol

  খ

  USART protocol

  গ

  SPI protocol

  ঘ

  I2C protocol