Read more about acquired methemoglobinemia, a condition that results in the formation of an abnormal form of hemoglobin. Learn more about the causes, symptoms, treatment, and diagnosis of acquired methemoglobinemia.
CRT display is the most commonly used form of visual displays, through it is getting gradually replaced with LCD and Plasma displays. A computer monitor using CRT display. In a CRT, an electron beam sweeps the display screen horizontally, one line at a time, gradually down the screen. A synchronization (sync) signal brings the beam back to the top row of the display. This type of scanning (line-by-line) is known as raster scan.
There are two different types of storage devices: 1  Primary storage devices: Generally smaller in size, are designed to hold data temporarily and are internal to the computer. 2  Secondary storage devices: These usually have large storage capacity, and they store data permanently.