Pulse code cab signaling. Pulse code cab signaling is a form of cab signaling technology developed in the United States by the Union Switch and Signal corporation for the Pennsylvania Railroad in the 1920s.
Measure the diagonal length of your screen from the top left corner to the bottom right corner. Measure only the screen; do not count the frame around the screen. Measure the height of the screen from top to bottom. Measure the width of the screen from left to right.Once you have all three measurement values, you will be able to confidently order your screen filter or place your monitor up for sale.easure only the screen; do not count the frame around the screen. Measure the height of the screen from top to bottom. Measure the width of the screen from left to right.
Â· just now. Report Abuse. to measure a computer monitor for size is really simple. measure it from one corner to the other. measure from the top right corner to the bottom left corner. and only measure the screen which i mean the part where you get to see the image. the part that you see.example your desktop. just now. Report Abuse. to measure a computer monitor for size is really simple. measure it from one corner to the other. measure from the top right corner to the bottom left corner. and only measure the screen which i mean the part where you get to see the image. the part that you see. example your desktop.