Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1051: What is the key disadvantage of Binary ASK?
- A: High complexity
- B: Susceptibility to noise
- C: High power consumption
- D: Low data rate
View Answer
B
Q1052: The carrier frequency for a Binary ASK signal in a 200–300 kHz range is typically _______.
- A: 200 kHz
- B: 250 kHz
- C: 300 kHz
- D: 350 kHz
View Answer
B
Q1053: In Binary ASK, a signal with 100 kHz bandwidth and a carrier frequency of 250 kHz has a bit rate of _______.
- A: 25 kbps
- B: 50 kbps
- C: 100 kbps
- D: 200 kbps
View Answer
C
Q1054: Binary ASK is commonly used in _______.
- A: Optical communication
- B: Cellular networks
- C: Audio broadcasting
- D: Satellite communication
View Answer
A
Q1055: In Binary ASK, what remains constant when transmitting binary data?
- A: Frequency and Phase
- B: Amplitude and Frequency
- C: Phase and Bit Rate
- D: Data Rate and Amplitude
View Answer
A
Q1056: What is the role of the carrier signal in Binary ASK?
- A: Transmit frequency
- B: Carry amplitude variations
- C: Control phase shifts
- D: Enhance noise resistance
View Answer
B
Q1057: In a Binary ASK implementation, the bit rate is determined by the _______.
- A: Modulation index
- B: Amplitude levels
- C: Carrier frequency
- D: Data rate
View Answer
D
Q1058: What is the amplitude of the carrier signal in Binary ASK when the binary input is 1?
- A: Maximum
- B: Minimum
- C: Zero
- D: Negative
View Answer
A
Q1059: Fill in the blank: In Binary ASK, the _______ of the carrier signal is varied to represent binary data.
- A: amplitude
- B: frequency
- C: phase
- D: bandwidth
View Answer
A
Q1060: Which modulation technique is most affected by noise?
- A: Binary ASK
- B: Binary PSK
- C: Binary FSK
- D: Quadrature Modulation
View Answer
A