Podcast
Questions and Answers
What is the name for the noncontinuous noise that is one of the most difficult errors to detect?
What is the name for the noncontinuous noise that is one of the most difficult errors to detect?
- Gaussian noise
- White noise
- Crosstalk
- Impulse noise (correct)
Which type of noise is always present to some degree in transmission media and electronic devices?
Which type of noise is always present to some degree in transmission media and electronic devices?
- Gaussian noise
- Crosstalk
- Impulse noise
- White noise (correct)
What is the cause of increased level of white noise (Gaussian noise)?
What is the cause of increased level of white noise (Gaussian noise)?
- Decreased data transmission
- Decreased temperature of the medium
- Reduced activity of the electrons in the electronic device
- Increased activity of the electrons in the electronic device (correct)
Which type of noise can be electrical or electromagnetic and is an unwanted coupling between two different signal paths?
Which type of noise can be electrical or electromagnetic and is an unwanted coupling between two different signal paths?
What kind of noise is dependent on the temperature of the medium?
What kind of noise is dependent on the temperature of the medium?
Which type of noise interferes with an analog signal and can be difficult to remove without affecting the original signal?
Which type of noise interferes with an analog signal and can be difficult to remove without affecting the original signal?
What is the result of small timing irregularities that become magnified during the transmission of digital signals?
What is the result of small timing irregularities that become magnified during the transmission of digital signals?
What is the continuous loss of a signal's strength as it travels through a medium?
What is the continuous loss of a signal's strength as it travels through a medium?
What is a burst error in data transmission?
What is a burst error in data transmission?
What is the central concept in detecting or correcting errors in data transmission?
What is the central concept in detecting or correcting errors in data transmission?
In which layer can error detection be performed in data transmission?
In which layer can error detection be performed in data transmission?
What method of error detection involves adding redundant bits called parity bits to each character?
What method of error detection involves adding redundant bits called parity bits to each character?
What does a parity check involve for ASCII characters encoding?
What does a parity check involve for ASCII characters encoding?
Which type of noise interferes with an analog signal and can be difficult to remove without affecting the original signal?
Which type of noise interferes with an analog signal and can be difficult to remove without affecting the original signal?
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