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Data Communication MCQs with Answers

Practice important Data Communication MCQs with answers and explanations.

Multiple Choice Questions

Q941: Serial transmission is more commonly used in _______.
  • A: Short-distance communications
  • B: Long-distance communications
  • C: Wireless communications
  • D: None of the above
View Answer
B

Q942: In serial transmission, _______ is used to send bits sequentially over a single wire.
  • A: Parallel channels
  • B: A single communication channel
  • C: Multiple communication channels
  • D: None of the above
View Answer
B

Q943: The communication channel used in serial transmission is _______.
  • A: Single
  • B: Multiple
  • C: Unlimited
  • D: None of the above
View Answer
A

Q944: What is the primary benefit of serial transmission over parallel transmission?
  • A: Lower cost
  • B: Faster transmission speed
  • C: Requires more wires
  • D: None of the above
View Answer
A

Q945: Which of the following types of communication uses only one communication channel?
  • A: Serial transmission
  • B: Parallel transmission
  • C: Multichannel communication
  • D: None of the above
View Answer
A

Q946: In serial transmission, bits are sent _______.
  • A: Simultaneously
  • B: One at a time
  • C: Grouped together
  • D: None of the above
View Answer
B

Q947: Which of the following is a characteristic of serial transmission?
  • A: Slower data transfer rate
  • B: Uses multiple wires
  • C: No synchronization needed
  • D: All of the above
View Answer
A

Q948: In serial transmission, data is sent through _______ channels.
  • A: Multiple
  • B: One
  • C: A group of channels
  • D: None of the above
View Answer
B

Q949: Which transmission method is often used for data communication in networks?
  • A: Parallel transmission
  • B: Serial transmission
  • C: Wirelessly
  • D: All of the above
View Answer
B

Q950: In serial transmission, data is transmitted _______.
  • A: one bit at a time
  • B: through multiple channels
  • C: as a group of bits
  • D: none of the above
View Answer
A

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