Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q401: Which of the following is an example of a periodic analog signal?
- A: A sine wave
- B: A digital clock
- C: A message transmitted over the internet
- D: A file transfer
View Answer
A
Q402: Fill in the blank: A non-periodic signal lacks a _______.
- A: repeating pattern
- B: fixed amplitude
- C: continuous flow
- D: defined frequency
View Answer
A
Q403: Fill in the blank: Digital signals are typically _______ signals.
- A: non-periodic
- B: periodic
- C: analog
- D: continuous
View Answer
A
Q404: Which of the following signals is typically periodic?
- A: A sine wave
- B: A digital image
- C: An email message
- D: A voice recording
View Answer
A
Q405: Fill in the blank: A digital signal can be _______ when it lacks a repeating pattern.
- A: non-periodic
- B: periodic
- C: a sine wave
- D: an analog signal
View Answer
A
Q406: Which type of signal can have a pattern that repeats over a specified time period?
- A: Periodic signal
- B: Non-periodic signal
- C: Both periodic and non-periodic signals
- D: None of the above
View Answer
A
Q407: Fill in the blank: A periodic signal can be defined by its _______ and cycle.
- A: period
- B: amplitude
- C: waveform
- D: frequency
View Answer
A
Q408: Which of the following types of signals does NOT have a repeating pattern?
- A: Non-periodic signal
- B: Periodic signal
- C: Digital signal
- D: Analog signal
View Answer
A
Q409: Fill in the blank: Analog signals are often periodic, whereas digital signals can be _______.
- A: periodic or non-periodic
- B: analog or continuous
- C: random or irregular
- D: binary or encoded
View Answer
A
Q410: Which of the following types of signals typically have irregular or random variations?
- A: Non-periodic signals
- B: Periodic signals
- C: Digital signals
- D: Analog signals
View Answer
A