With respect to CRT, the horizontal retrace is defined asA.The path an electron beam takes when returning to the right side of the CRTB.The technique of turning the electron beam ON/OFF while retracingC.The technique of turning the electron beam OFF while retracingD.The path an electron beam takes when returning to the left side of the CRT
Question
With respect to CRT, the horizontal retrace is defined asA.The path an electron beam takes when returning to the right side of the CRTB.The technique of turning the electron beam ON/OFF while retracingC.The technique of turning the electron beam OFF while retracingD.The path an electron beam takes when returning to the left side of the CRT
Solution
The correct answer is C. The horizontal retrace in a Cathode Ray Tube (CRT) is defined as the technique of turning the electron beam OFF while retracing. This is done to prevent any visible indication of the beam's return path on the display. After the electron beam has reached the end of a line (right side), it is switched off and moved rapidly back to the start of the next line (left side). This is the retrace period.
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