Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1061: Binary ASK requires a bandwidth of 100 kHz for a signal with a data rate of _______.
- A: 50 kbps
- B: 100 kbps
- C: 200 kbps
- D: 25 kbps
View Answer
B
Q1062: When implementing Binary ASK, the available bandwidth is defined as _______.
- A: Carrier range
- B: Data range
- C: Frequency difference
- D: Amplitude threshold
View Answer
C
Q1063: What is the maximum data rate achievable with a 100 kHz bandwidth in Binary ASK?
- A: 25 kbps
- B: 50 kbps
- C: 100 kbps
- D: 200 kbps
View Answer
C
Q1064: Fill in the blank: Binary ASK, also known as _______, is a form of amplitude modulation.
- A: On-Off Keying
- B: Frequency Modulation
- C: Phase Modulation
- D: Data Modulation
View Answer
A
Q1065: In Frequency Shift Keying (FSK), which characteristic of the carrier signal is varied?
- A: Amplitude
- B: Frequency
- C: Phase
- D: Bit rate
View Answer
B
Q1066: What remains constant in FSK during modulation?
- A: Amplitude and Phase
- B: Frequency and Amplitude
- C: Phase and Data Rate
- D: Signal Rate and Bandwidth
View Answer
A
Q1067: Binary FSK uses _______ frequencies to represent binary 0 and 1.
- A: one
- B: two
- C: three
- D: four
View Answer
B
Q1068: Which modulation technique is more resistant to noise compared to ASK?
- A: Amplitude Modulation (AM)
- B: Frequency Shift Keying (FSK)
- C: Phase Modulation (PM)
- D: On-Off Keying (OOK)
View Answer
B
Q1069: The frequency of the modulated signal in FSK changes when _______.
- A: the amplitude varies
- B: the phase varies
- C: the data element changes
- D: the bandwidth changes
View Answer
C
Q1070: Binary Frequency Shift Keying (BFSK) is commonly used in _______.
- A: AM radio
- B: Wi-Fi
- C: telemetry
- D: TV broadcasting
View Answer
C