In low frequency range, drop in gain is caused by ( ) A: bypass capacitors B: coupling capacitors C: transistor's parasitic capacitors D: bias resistors

‏In low frequency range, drop in gain is caused by ( )​ A: bypass capacitors B: coupling capacitors C: transistor's parasitic capacitors D: bias resistors

Modulation is the process of loading low-frequency signals onto high-frequency carriers. ( )

The difference between a histogram and a frequency polygon is: A: the frequency polygon is reported as a percent, a histogram does not report percents. B: the histogram shows frequencies while a frequency polygon shows cumulative frequencies. C: the bars in a histogram and a frequency polygon cannot be adjacent. D: open-ended classes can be accommodated with a frequency polygon.

Which of the following is NOT true of a laser system A: It is able to make its way through water. B: It is able to communicate with submarines at work. C: Its beam reaches a submerged submarine with the help of an antenna. D: It is able to carry more data than low frequency waves.

For<br/>a bar chart, we take _____ as the horizontal axis. () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable

Which<br/>of the following is the Y-axis of the histogram?() A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable E: rate

frequency band

Which<br/>of the following can be used as the Y-axis of the bar chart? () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable

The<br/>vertical axis of the histogram is () A: Frequency B: Relative<br/>frequency C: Relative<br/>frequency density D: The<br/>values of a variable E: The<br/>intervals of a variable