Usually not during the initial application process. However, for assignments dealing with any classified information, mostlikely. These will be "counter-intelligence" sessions, not the normal law...
The signal directly from the sensor is analog. It is than converted to digital, and a digital signal is used for processing.
The signal directly from the sensor is analog. It is than converted to...
Amplitude Modulation or analog is like a wave, digital is a series of 1s and 0s. Different animals unless you want to add complexity by including a converter between analog and digital