Which type of digital radiography sensor system requires a separate scanning/processing step after exposure, rather than displaying the image immediately?

Photostimulable phosphor plates
Direct CCD/CMOS sensors
Both display images immediately with no processing step
Neither requires any processing

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Correct answer: A. Photostimulable phosphor plates

Photostimulable phosphor (PSP) plates require a separate scanning/reading process after exposure to release and capture the stored image (a form of 'indirect' digital imaging), unlike direct digital sensors (CCD/CMOS), which display the image immediately/directly without a separate processing step.

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Which type of digital radiography sensor system requires a separate scanning/processing step after exposure, rather than displaying the image immediately?

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