Asynchronous Serial Communication MCQ

Test your knowledge with important Asynchronous Serial Communication MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Asynchronous Serial Communication MCQs at Bissoy

• BITCLK16 is the ________
  ক

  sampling clock in the undersampling mode

  খ

  sampling clock in the oversampling mode

  গ

  quantising clock in the undersampling mode

  ঘ

  quantising clock in the oversampling mode
• There are _______ clocks in the USCI_A.
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• LSB is sent first in case of the non return to zero format.
  ক

  true

  খ

  false

  গ

  cant be said

  ঘ

  depends on the conditions
• What is the non return to zero format?
  ক

  the bits are either high or low and have no gaps between them

  খ

  the bits are either high or low and have gaps between them

  গ

  the bits are high and have gaps between them

  ঘ

  the bits are low and have no gaps between them
• A framing error occurs is the bit is ________
  ক

  high

  খ

  low

  গ

  same

  ঘ

  changed
• Clock is transmitted in the asynchronous communication?
  ক

  yes

  খ

  no

  গ

  cant be said

  ঘ

  depends on the conditions
• Baud rate is the reverse of the ________
  ক

  baud time

  খ

  baud period

  গ

  bit time

  ঘ

  bit period
• The _____ rate gives the frequency at which the bits are transmitted on the line.
  ক

  bit rate

  খ

  packet rate

  গ

  baud rate

  ঘ

  data rate
• In an asynchronous mode of transmission, usually the data is sent along with the
  ক

  the start bit

  খ

  the stop bit

  গ

  the start & stopbit

  ঘ

  none of the mentioned
• Asynchronous serial communication usually requires two wires for each direction plus a common ground.
  ক

  true

  খ

  false

  গ

  cant be said

  ঘ

  depends on the conditions