1) _________ refers to the shutting off the electron beam as it returns from the bottom of the display at the end of a cycle to the upper left-hand corner to start a new cycle. (a) Horizontal retraces blanking (b) Diagonal retrace blanking (c) Vertical retrace blanking (d) None of the above
Option : C is correct,Explanation - vertical retrace blanking refers to the shutting off the electron beam as it returns from the bottom of the display at the end of a cycle to the upper left-hand corner to start a new cycle.
