Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q731: If the signal rate is 100 bauds and each signal element carries 3 data elements, what is the data rate?
- A: 100
- B: 200
- C: 300
- D: 400
View Answer
C
Q732: Fill in the blank: If the signal rate is 150 bauds and each signal element carries 1 data element, the data rate is ______ bps.
- A: 75
- B: 150
- C: 300
- D: 450
View Answer
B
Q733: What is the effect of increasing the number of data elements per signal element on the data rate?
- A: Increases
- B: Decreases
- C: Remains constant
- D: Depends on the signal rate
View Answer
A
Q734: Fill in the blank: A signal rate of 50 bauds carrying 4 data elements per signal element results in a data rate of ______ bps.
- A: 200
- B: 100
- C: 50
- D: 400
View Answer
A
Q735: What does line coding convert?
- A: Analog signals to digital signals
- B: Sequence of bits to a digital signal
- C: Text to audio
- D: Digital signals to analog signals
View Answer
B
Q736: Digital data includes which of the following?
- A: Text
- B: Pictures
- C: Audio and Video
- D: All of the above
View Answer
D
Q737: Fill in the blank: Line coding is used to convert sequences of bits into _______.
- A: Text
- B: Analog signals
- C: Digital signals
- D: Audio signals
View Answer
C
Q738: Which of the following is an example of digital data?
- A: A sound wave
- B: A sequence of bits
- C: Radio frequency
- D: All of the above
View Answer
B
Q739: Fill in the blank: ______ coding is essential for transmitting digital data as digital signals.
- A: Line
- B: Block
- C: Scrambling
- D: Pulse
View Answer
A
Q740: What is the primary function of line coding in digital communication?
- A: Compress data
- B: Encode data into a digital signal
- C: Decode digital signals
- D: Amplify signals
View Answer
B