For an interactive learning experience, check out the Choose a Light Guide. 1  Light Bulb Purchasing Guide (PDF, 652 KB) 2  ENERGY STAR certified bulbs use less power (watts) than incandescent bulbs. 3  ENERGY STAR certified bulbs are available in a variety of shades. 4  Not all ENERGY STAR certified bulbs are dimmable.
Coefficient of variation. Not to be confused with Coefficient of determination. In probability theory and statistics, the coefficient of variation (CV), also known as relative standard deviation (RSD), is a standardized measure of dispersion of a probability distribution or frequency distribution.
SSD stands for Solid State Drive and HDD state for Hard Disk Drive. Answer #4 | 23/12 2014 08:43 hard disk drive, solid state drive. the difference is one has a moving platter which is written on with a mechanical magnetic reading/writing head, and the other is coordinated flash memory soldered onto a pcb. ssd's are much faster and have no moving parts.