In CRT, the electron intensity is adjusted using:
a) Accelerating anode
b) Control grid
c) Electron gun
d) Focusing anode
Brightness of a display is controlled by varying the voltage on the -----------.
a) Focusing anode
b) Connecting pins
c) Control grid
d) Power supply
Lower persistence phosphorus needs -----refresh rate
a) Lower
b) Higher
c) Medium
d) None of these
Memory area holding the intensity information of an image is called
:
a) Refresh buffer
b) Font cache
c) Picture definition
d) Video controller
The purpose of refreshing a CRT is :
a) To avoid flickering
b) to maintain a steady picture
c) To avoid fading of pixels
d) All of the above
The fly-back of electron beams from one scanline to next is known as :
a) Vertical Retrace
b) Horizontal Retrace
d) Raster scanning
d) Refreshing
