Ch. 35

What is the major disadvantage of LCDs?

• Limited off-angle viewing

• Poor response speed

• Brightness is temperature-dependent

• All of the answers

What is the purpose of polarizing lenses in LCD monitor screens?

• To block all light

• To allow all light to pass through

• To reduce light reflection

• To create a wavy pattern

What is the main advantage of active-matrix LCDs over passive-matrix LCDs?

• Require less maintenance

• Faster response times

• Longer life

• Less expense

What is used as a backlighting source in LCD monitors to achieve adequate brightness?

• Fluorescent bulbs

• Noise reduction

• Edge enhancement

• Image scaling

What is the nature of pixels in display systems?

• The brightest screen element

• The dimmest screen element

• The largest screen element

• The smallest screen element

What is the weakest link in the imaging chain?

• The dynamic range

• The digital image processing system

• The display monitor

• The x-ray beam