Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q561: Digital signals can be _______ or non-periodic and are composite analog signals with frequencies between zero and infinity.
- A: periodic
- B: non-periodic
- C: continuous
- D: discrete
View Answer
B
Q562: In the time domain, a vertical line corresponds to a frequency of _______.
- A: infinity
- B: zero
- C: 100 Hz
- D: a low frequency
View Answer
A
Q563: A horizontal line in the time domain corresponds to a frequency of _______.
- A: infinity
- B: zero
- C: a mid-range frequency
- D: a specific high frequency
View Answer
B
Q564: Going from a frequency of zero to a frequency of infinity implies that _______.
- A: all frequencies in between are part of the domain
- B: only the low frequencies are included
- C: only the high frequencies are included
- D: no frequencies are involved
View Answer
A
Q565: Baseband transmission refers to the sending of a digital signal _______.
- A: without converting it to an analog signal
- B: after converting it to an analog signal
- C: using analog methods only
- D: through a low pass filter
View Answer
A
Q566: In baseband transmission, the signal is sent through a _______ channel.
- A: low pass
- B: high pass
- C: band pass
- D: wide pass
View Answer
A
Q567: Digital signals, based on Fourier analysis, are considered composite _______ signals.
- A: analog
- B: digital
- C: noise
- D: pure signals
View Answer
A
Q568: Baseband transmission is often used in _______ communication systems.
- A: low pass filters
- B: high speed analog systems
- C: low speed digital systems
- D: broadband systems
View Answer
C
Q569: The frequency range of a digital signal in the time domain is from _______ to _______.
- A: zero to infinity
- B: one to ten
- C: zero to one
- D: ten to twenty
View Answer
A
Q570: Baseband transmission is used in situations where _______.
- A: the digital signal is sent without conversion
- B: high-frequency analog signals are used
- C: the signal needs to be transmitted over long distances
- D: a frequency shift is required
View Answer
A