The greater the number of bits assigned to each pixel of a digital image, the greater the number of shades of gray the image has.

Which one of the following doesn’t belong in the group below?

For digital image information to be displayed on a conventional television screen, the data must be processed by a digital to analog converter

The diameter of a disc shaped, unfocused piezo electric crystal is 1 cm. what is the best estimate for the minimum lateral resolution of the ultrasound system?

Two imaging systems produce acoustic pulses; one pulse is 0.4 µsec long and the other is 0.2 µsec long. Which is most likely to provide the best temporal resolution

The lower the numerical value of the longitudinal resolution, the worse the picture.

What is a typical pulser output voltage that excites a piezoelectric crystal?

Which best describes the elements in a linear sequential array transducer?

Which of the following forms of focusing is different from the others?

Which ultrasound imaging modality has the best temporal resolution