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Chapter21 questions and answers passed 2024
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Chapter21 questions and answers passed 2024
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Chapter 6 - CCD/CMOS QuizTrue or False: CCDs use more power than CMOS.
true
True or False: CCDs use more than 100x the power than a CMOS.
true
What turns semiconductors into full electrical conductors?
dopants
The components that focus the signal from the scintillators to the CCD are
called:
fiber optics
Which statement best describes a charge-coupled device (CCD)?
it is the oldest indirect conversion technology used in a variety of image
capture applications
When specialized pixels in a complementary metal oxide silicon system are
struck with x-ray photons:
the x-ray photons are converted to light
, light photons are stored in capacitors
light photons are converted into electrical charges
Quantum efficiency is a measurement of the:
amount of electrons produced relative to the incident light from the scintillator
True or False: the number of electron-hole pairs produced is related to the
amount of light absorbed.
true
Some advantages to CCDs include:
module design makes repairs and upgrades easy
The most popular base material used in integrated circuits is:
silicon
Which flat-panel detector technologies was developed by NASA?
CMOS
The indirect conversion detector system that requires optical coupling and
image size reduction is known as a:
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