The most common motive for drug use -- the reason the patient took the drug which led to the emergency room visit -- was suicide attempt or gesture, which comprised 36 percent of all episodes, followed by drug dependence as a motive for drug use (34 percent), then recreational use as a motive (11 percent).
The motherboard serves to connect all of the parts of a computer together. The CPU, memory, hard drives, optical drives, video card, sound card and other ports and expansion cards all connect to the motherboard directly or via cables.The motherboard is the piece of computer hardware that can be thought of as the back bone of the PC.ower from the power supply is delivered to the motherboard by use of a specially designed port. Also on the front of the motherboard are a number of peripheral card slots.
Originally it was literally a bread board, a polished piece of wood used for slicing bread. In the 1970s the solderless breadboard (AKA plugboard, a terminal array board) became available and nowadays the term breadboard is commonly used to refer to these. Breadboard is also a synonym for  prototype .Because the solderless breadboard does not require soldering, it is reusable. This makes it easy to use for creating temporary prototypes and experimenting with circuit design.n the 1970s the solderless breadboard (AKA plugboard, a terminal array board) became available and nowadays the term breadboard is commonly used to refer to these.