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CRO stands for _______

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CRO stands for _______

(a) Common Ray Oscilloscope

(b) Cathode Ray Oscilloscope

(c) Cathode Ray Oscillator

(d) Common Ray Oscillator

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Right answer is (b) Cathode Ray Oscilloscope

Explanation: Cathode ray oscilloscopes are widely used for the display of waveforms encountered in the medical field. These waveforms can be recorded from the CRO screen by running a photographic film through a recording camera fixed in front of the screen. Recorders are either of the single channel type or of the type which record several channels simultaneously.

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