Question 82Asked in UGC NET Computer Science, November 2017 (Paper II & III, Selected Questions)With respect to CRT, the horizontal retrace is defined as :
- AThe path an electron beam takes when returning to the left side of the CRT
- BThe path an electron beam takes when returning to the right side of the CRT
- CThe technique to turning the electron beam off while retracing
- DThe technique of turning the electron beam on/off while retracing
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Correct answer: (A) The path an electron beam takes when returning to the left side of the CRT
Explanation
In computer graphics, horizontal retrace is the path the electron beam takes when returning to the left side of the CRT after completing a scan line.