CRT : Computer Hardware Buyers’ Glossary
CRT (Cathode Ray Tube). On a desk top
computer, the CRT is the screen. Laptops use LCD (Liquid Crystal Display)
panels instead. Other than much lower power consumption, the other big advantage of
LCDs (Liquid Crystal Displaies)
over CRTs (Cathode Ray Tubes)
is lack of flicker. This lets you read much faster. Flicker distracts the eye and
causes it to unconsciously dart about looking for predators.
work with an electron beam that sweeps back and forth top to bottom 60 to 75 times a second painting the image on
the phosphors of the screen with a varying intensity electron beam. I When you
install your video card and monitor, adjust to 72
Hz (Hertz) or
higher, whatever your monitor supports. 60
Hz will give you a headache.
Further you might get beat effects from the interference from fluorescent lights
which turn on and off 60 times a second.
Dot pitch measures the distance between the tiny
coloured phosphor dots on the screen. A typical monitor may put them about
0.231 mm apart. The small the number the better.