Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 32
Q421:
Which type of periodic analog signal is a basic building block for more complex signals?
A. Sine wave
B. Square wave
C. Triangular wave
D. Pulse wave
Correct Answer:
A
Chapter: 32
Q422:
Fill in the blank: A composite periodic analog signal is made up of _______.
A. multiple frequencies
B. one single frequency
C. a continuous signal
D. random signals
Correct Answer:
A
Chapter: 32
Q423:
Which signal type consists of a single frequency wave that repeats over time?
A. Simple periodic analog signal
B. Composite periodic analog signal
C. Digital signal
D. Complex signal
Correct Answer:
A
Chapter: 32
Q424:
Fill in the blank: Simple periodic analog signals, such as sine waves, _______ over time.
A. repeat regularly
B. change with every cycle
C. involve multiple signals
D. contain various frequencies
Correct Answer:
A
Chapter: 32
Q425:
Which of the following is a characteristic of a simple periodic analog signal like a sine wave?
A. It repeats consistently at a specific frequency
B. It consists of multiple sine waves
C. It has no pattern over time
D. It is a non-periodic signal
Correct Answer:
A
Chapter: 33
Q426:
The period (T) of a signal refers to _______.
A. The time it takes to complete one cycle
B. The frequency of the signal
C. The amplitude of the signal
D. The phase of the signal
Correct Answer:
A
Chapter: 33
Q427:
The frequency (f) of a signal is defined as _______.
A. The number of periods in one second
B. The time required to complete one cycle
C. The number of cycles in a minute
D. The time taken for the signal to repeat
Correct Answer:
A
Chapter: 33
Q428:
Fill in the blank: The relationship between frequency (f) and period (T) is given by _______.
A. f=1Tf = \frac{1}{T}f=T1
B. f=T×2f = T \times 2f=T×2
C. f=T2f = T^2f=T2
D. f=T2f = \frac{T}{2}f=2T
Correct Answer:
A
Chapter: 33
Q429:
The period (T) is measured in _______.
A. Seconds
B. Hertz (Hz)
C. Amps
D. Volts
Correct Answer:
A
Chapter: 33
Q430:
The frequency (f) is measured in _______.
A. Hertz (Hz)
B. Seconds
C. Volts
D. Amps
Correct Answer:
A
Chapter: 33
Q431:
The formula f=1Tf = \frac{1}{T}f=T1 relates the frequency of a signal to its _______.
A. Period
B. Amplitude
C. Phase
D. Voltage
Correct Answer:
A
Chapter: 33
Q432:
If the frequency of a signal is 10 Hz, the period of the signal is _______.
A. 0.1 seconds
B. 1 second
C. 10 seconds
D. 100 seconds
Correct Answer:
A
Chapter: 33
Q433:
Fill in the blank: The period (T) is the inverse of _______.
A. Frequency (f)
B. Amplitude
C. Signal strength
D. Signal wavelength
Correct Answer:
A
Chapter: 33
Q434:
The frequency of a signal is inversely proportional to its _______.
A. Period
B. Amplitude
C. Wavelength
D. Voltage
Correct Answer:
A
Chapter: 33
Q435:
Fill in the blank: A signal with a period of 0.01 seconds will have a frequency of _______.
A. 100 Hz
B. 10 Hz
C. 1000 Hz
D. 1 Hz
Correct Answer:
A
Chapter: 33
Q436:
If the period of a signal is 0.5 seconds, its frequency will be _______.
A. 2 Hz
B. 1 Hz
C. 0.5 Hz
D. 0.2 Hz
Correct Answer:
A
Chapter: 33
Q437:
If the frequency of a signal is 50 Hz, the period of the signal is _______.
A. 0.02 seconds
B. 0.5 seconds
C. 2 seconds
D. 20 seconds
Correct Answer:
A
Chapter: 33
Q438:
A signal with a frequency of 1 Hz will have a period of _______.
A. 1 second
B. 0.1 seconds
C. 10 seconds
D. 1000 seconds
Correct Answer:
A
Chapter: 33
Q439:
The formula f=1Tf = \frac{1}{T}f=T1 is used to calculate the _______ of a signal.
A. Frequency
B. Wavelength
C. Amplitude
D. Phase
Correct Answer:
A
Chapter: 33
Q440:
If the frequency of a signal is 100 Hz, the period will be _______.
A. 0.01 seconds
B. 0.1 seconds
C. 10 seconds
D. 1 second
Correct Answer:
A