Exam Questions and CORRECT Answers
Complementary Metal Oxide Semiconductor - CORRECT ANSWER - What does CMOS
stand for?
NASA - CORRECT ANSWER - What organization created CMOS?
Semiconductor - CORRECT ANSWER - in CMOS, along with the scintillator, there is
also a ____________.
dopants - CORRECT ANSWER - in CMOS, ______ are added to the semiconductor to
give it conductor property
-help reduce static electricity on the image
-help create N-type transistors and P-type transistors (gates that control current) - CORRECT
ANSWER - What are 2 things that dopants help the semiconductor do?
Barium Flurohalide - CORRECT ANSWER - in CR, PSP is made of _____________.
bromides - CORRECT ANSWER - in CR, Barium Flurohalide are also called ________.
x-rays
luminesce
latent image - CORRECT ANSWER - in CR, the PSP is exposed to _______, and the
bromides _______ & trap energy. This creates what image?
laser beam
, light - CORRECT ANSWER - in CR, the ___________scans to release the trapped
electrons as ______.
photodetector - CORRECT ANSWER - in CR, mirrors direct the light to the __________.
ADC (analog to digital converter) - CORRECT ANSWER - in CR, the photodetector will
send light to the _________.
ADC - CORRECT ANSWER - In CR, the _____ converts light to electrical signal (bits)
manifest image - CORRECT ANSWER - in CR, after the ADC converts the light to
electrical signals, the signals are sent to the computer for processing and display. what is the final
image called?
Photoconductor - CORRECT ANSWER - in direct image capture, the x-rays are absorbed
by _________.
amorphous selenium
(a-Se) - CORRECT ANSWER - in direct image capture, the photoconductor is made up of
_____________.
TFT - CORRECT ANSWER - in direct image capture, after the x-rays are absorbed by
photoconductor, it is then immediately converted to an electrical signal by the _______.
pixels/ detector elements (dels) - CORRECT ANSWER - TFT's are made up of ________.
direct image capture - CORRECT ANSWER - x-ray to electrical signal
indirect image capture - CORRECT ANSWER - x-ray to light to electrical signal