How Well Do You Know Signal Features?

Idyllic via DISCORD

Created 7/10/2024

Q & A

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Sources

https://en.wikipedia.org/wiki/Error_correction_code

https://www.bmc.com/blogs/osi-model-7-layers/

https://en.wikipedia.org/wiki/Error_detection_and_correction

https://ops.fhwa.dot.gov/publications/telecomm_handbook/chapter2_03.htm

Test your knowledge on various signal features used in telecommunications and data transmission. Perfect for tech enthusiasts and industry professionals alike!

1. Which modulation technique converts digital data to analog?

FSK

QAM

PSK

2. Which signal feature determines the rate at which data is transmitted?

Frequency

Amplitude

Bitrate

Phase

3. What is the term for the maximum value of a signal?

Peak

RMS Value

Average

Crest

4. Which protocol is commonly used for error-checking in telecommunication?

Parity Check

Checksum

CRC

Hamming Code

5. What is the main purpose of using spread spectrum technology?

Decrease Latency

Enhance Speed

Boost Bandwidth

Reduce Interference

6. What does the term 'bandwidth' refer to?

Transmission Power

Signal Strength

Data Rate

Frequency Range

7. How does amplitude modulation differ from frequency modulation?

FM varies frequency while AM varies phase

Both vary amplitude

AM varies frequency while FM varies amplitude

AM varies amplitude while FM varies frequency

8. Which signal feature quantifies the noise level in a communication system?

Signal-to-Noise Ratio

Bandwidth

Modulation

Bitrate

9. What is the significance of the signal-to-noise ratio?

Indicates Amplitude

Indicates Speed

Indicates Clarity

Indicates Range

10. In wireless communication, what is the benefit of using multiple antennas?

Enhance Beamforming

Improve Efficiency

Boost Speed

Reduce Cost

11. What does phase shift keying (PSK) modulation change in the signal?

Amplitude

Signal-to-Noise

Phase

Frequency

12. What is meant by the term 'latency' in communication systems?

Signal Strength

Time Delay

Transmission Rate

Bandwidth

13. How does time-division multiplexing differ from frequency-division multiplexing?

TDM alters frequency while FDM alters phase

TDM uses time slots while FDM uses different frequencies

TDM combines signals while FDM splits signals

TDM uses different frequencies while FDM uses time slots

14. What is the role of a modem in data transmission?

Enhance Speed

Reduce Noise

Encode Data

Convert signals between analog and digital

15. Which of the following is a characteristic of a digital signal?

Varying Frequency

Continuous Flow

Discrete Values

Analog Nature

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