The range of frequencies that a signal spans from minimum to
     The range of frequencies that a signal spans from minimum to maximum is called the:  Bandwidth  Spectrum  amplitude  The absolute value of the difference between the lowest and lowest frequencies is called the _____  Spectrum  Amplitude  bandwidth  phase  The simplest modulation technique is _____ modulation.  Frequency  Phase  amplitude  pulse code modulation.   
  
  Solution
Solution is as follows
15)
answer is spectrum
16)
answer is bandwidth
17)
answer is Frequency

