Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q841: What type of data transmission is most likely to use B8ZS and HDB3 techniques?
- A: High-speed data transmission
- B: Low-speed data transmission
- C: Wireless communication
- D: Internet browsing
View Answer
A
Q842: Scrambling techniques like B8ZS and HDB3 are commonly used in _______ networks.
- A: telecommunication
- B: Wi-Fi
- C: LAN
- D: WiMAX
View Answer
A
Q843: Which scrambling technique uses high-density bipolar encoding to avoid long sequences of zeros?
- A: B8ZS
- B: HDB3
- C: AMI
- D: NRZ-I
View Answer
B
Q844: The process of converting analog data to digital data is called _______.
- A: digitization
- B: analog-to-digital conversion
- C: amplification
- D: quantization
View Answer
B
Q845: Two techniques for converting analog data to digital data are _______ and Delta Modulation.
- A: Pulse Code Modulation
- B: Delta Encoding
- C: Amplitude Modulation
- D: Frequency Modulation
View Answer
A
Q846: Pulse Code Modulation (PCM) is a technique used for _______ conversion.
- A: analog-to-digital
- B: digital-to-analog
- C: analog-to-analog
- D: digital-to-digital
View Answer
A
Q847: Delta Modulation (DM) is a _______ method of converting analog signals to digital.
- A: quantization
- B: differential
- C: linear
- D: non-linear
View Answer
B
Q848: Which of the following is not a technique for analog-to-digital conversion?
- A: Pulse Code Modulation
- B: Delta Modulation
- C: Wavelet Transform
- D: Quantization
View Answer
C
Q849: Pulse Code Modulation (PCM) is primarily used in _______ systems.
- A: telecommunication
- B: satellite communication
- C: television broadcasting
- D: analog radio broadcasting
View Answer
A
Q850: Which technique in analog-to-digital conversion uses a differential approach for encoding?
- A: Pulse Code Modulation
- B: Delta Modulation
- C: Amplitude Modulation
- D: Frequency Modulation
View Answer
B