Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 36
Q481:
Fill in the blank: A sine wave with a frequency of 60 Hz completes _______ cycles per second.
A. 60
B. 120
C. 1
D. 30
Correct Answer:
A
Chapter: 37
Q482:
A single sine wave can carry _______ information.
A. Limited
B. Unlimited
C. No
D. None
Correct Answer:
A
Chapter: 37
Q483:
A composite signal is made up of _______ sine waves.
A. Multiple
B. Single
C. Complex
D. Constant
Correct Answer:
A
Chapter: 37
Q484:
A composite signal can be _______ or _______ depending on its nature.
A. Periodic, non-periodic
B. Continuous, periodic
C. Simple, complex
D. High-frequency, low-frequency
Correct Answer:
A
Chapter: 37
Q485:
The decomposition of a composite periodic signal is shown in the _______ domain.
A. Frequency
B. Time
C. Phase
D. Amplitude
Correct Answer:
A
Chapter: 37
Q486:
The frequency-domain decomposition of a composite signal can show _______.
A. Range of frequencies
B. Amplitude changes
C. Time variations
D. Phase shifts
Correct Answer:
A
Chapter: 37
Q487:
Fill in the blank: Bandwidth is an important characteristic that measures _______.
A. Network performance
B. Frequency response
C. Signal speed
D. Frequency of the sine wave
Correct Answer:
A
Chapter: 37
Q488:
Bandwidth in Hertz refers to _______.
A. Range of frequencies in a composite signal
B. Number of bits transmitted per second
C. The size of the signal
D. The time it takes to complete one cycle
Correct Answer:
A
Chapter: 37
Q489:
Bandwidth in bits per second (bps) refers to _______.
A. The number of bits a channel, link, or network can transmit
B. The frequency range of a composite signal
C. The amplitude of the signal
D. The time duration of a signal
Correct Answer:
A
Chapter: 37
Q490:
A composite signal consists of multiple _______ sine waves.
A. Simple
B. Complex
C. Digital
D. Binary
Correct Answer:
A
Chapter: 37
Q491:
Fill in the blank: Bandwidth in Hertz measures the _______ of frequencies in a composite signal.
A. Range
B. Amplitude
C. Speed
D. Time
Correct Answer:
A
Chapter: 37
Q492:
In network performance, bandwidth in bits per second refers to the _______ of a network.
A. Maximum data transmission rate
B. Signal frequency range
C. Signal amplitude
D. Signal duration
Correct Answer:
A
Chapter: 37
Q493:
Composite signals can be _______ or _______ depending on whether they repeat or not.
A. Periodic, non-periodic
B. High-frequency, low-frequency
C. Digital, analog
D. Complex, simple
Correct Answer:
A
Chapter: 37
Q494:
A composite signal can be analyzed in the _______ domain to identify frequency components.
A. Frequency
B. Time
C. Phase
D. Bandwidth
Correct Answer:
A
Chapter: 37
Q495:
Bandwidth in bps is used to measure _______.
A. The data transmission capacity of a network
B. The number of bits in a composite signal
C. The range of frequencies of a sine wave
D. The amplitude of a composite signal
Correct Answer:
A
Chapter: 37
Q496:
Fill in the blank: A composite signal is created by combining multiple _______ sine waves.
A. Simple
B. Complex
C. Analog
D. Digital
Correct Answer:
A
Chapter: 38
Q497:
The bandwidth of a composite signal is the _______ between the highest and lowest frequencies.
A. Difference
B. Sum
C. Average
D. Product
Correct Answer:
A
Chapter: 38
Q498:
The bandwidth of a composite signal is usually defined by the _______ and _______ frequencies.
A. Highest, lowest
B. Peak, trough
C. Mean, median
D. Base, max
Correct Answer:
A
Chapter: 38
Q499:
If a periodic signal is decomposed into five sine waves with frequencies of 100, 300, 500, 700, and 900 Hz, what is its bandwidth?
A. 800 Hz
B. 700 Hz
C. 900 Hz
D. 1000 Hz
Correct Answer:
A
Chapter: 38
Q500:
The range of frequencies in a composite signal defines its _______.
A. Bandwidth
B. Duration
C. Amplitude
D. Frequency shift
Correct Answer:
A