| How does a spectrum analyzer differ from a conventional oscilloscope? |
| A) The oscilloscope is used to display electrical signals while the spectrum analyzer is used to measure ionospheric reflection. |
| B) The oscilloscope is used to display electrical signals in the frequency domain while the spectrum analyzer is used to display electrical signals in the time domain. |
| C) The oscilloscope is used to display electrical signals in the time domain while the spectrum analyzer is used to display electrical signals in the frequency domain. |
| D) The oscilloscope is used for displaying audio frequencies and the spectrum analyzer is used for displaying radio frequencies. |
