Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
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
View Answer
A
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
View Answer
A
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
View Answer
A
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
View Answer
A
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
View Answer
A
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
View Answer
A
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
View Answer
A
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
View Answer
A
Q429: The period (T) is measured in _______.
- A: Seconds
- B: Hertz (Hz)
- C: Amps
- D: Volts
View Answer
A
Q430: The frequency (f) is measured in _______.
- A: Hertz (Hz)
- B: Seconds
- C: Volts
- D: Amps
View Answer
A