Podcast
Questions and Answers
What type of channel is required for baseband transmission?
What type of channel is required for baseband transmission?
- Band-Pass
- Low-Pass (correct)
- High-Pass
- Middle-Pass
What is the process of converting an analog signal to digital?
What is the process of converting an analog signal to digital?
- Transmission
- Modulation
- Digitization (correct)
- Demodulation
What is the purpose of modulation in signal transmission?
What is the purpose of modulation in signal transmission?
- To increase the bandwidth of the signal
- To increase the amplitude of the signal
- To change the frequency of the signal
- To use a band-pass channel (correct)
How is the wavelength of an analog signal related to the propagation speed?
How is the wavelength of an analog signal related to the propagation speed?
What is the concept of wavelength for an analog signal?
What is the concept of wavelength for an analog signal?
What is the process of sharing a single channel by multiple signals?
What is the process of sharing a single channel by multiple signals?
What is the main difference between analog and digital signals?
What is the main difference between analog and digital signals?
Which type of modulation is used to transmit an analog signal over a digital channel?
Which type of modulation is used to transmit an analog signal over a digital channel?
What is the most common communication mode in computer networks?
What is the most common communication mode in computer networks?
What is the speed of electromagnetic waves in a vacuum?
What is the speed of electromagnetic waves in a vacuum?
Which type of modulation is used to transmit digital signals over analog channels?
Which type of modulation is used to transmit digital signals over analog channels?
What is the minimum length of a digital signal?
What is the minimum length of a digital signal?
What technique is used to transmit digital signals?
What technique is used to transmit digital signals?
Which communication mode is used for analog signals?
Which communication mode is used for analog signals?
What is the relation between frequency and time period?
What is the relation between frequency and time period?
What is the physical layer concerned with?
What is the physical layer concerned with?
What is the size of port addresses in TCP/IP?
What is the size of port addresses in TCP/IP?
Which modulation technique is used for transmission over a wider range?
Which modulation technique is used for transmission over a wider range?