BIOS is short for Basic Input Output System. It is much more than the name suggests. One might think that BIOS controls input and output system. But the BIOS does much more and it is not possible for any operating system to continue without a proper BIOS in place. Today, we will see what is BIOS in computers.
Four common types of weight-loss surgery are: 1  Roux-en-Y gastric bypass. 2  Laparoscopic adjustable gastric banding. 3  Sleeve gastrectomy.  Duodenal switch with biliopancreatic diversion.
Gastric bypass surgery -- the most common type is called Roux-en-Y gastric bypass -- is a form of weight loss surgery in which the doctor permanently reduces the size of the stomach to a small pouch, then attaches a tube of intestine to the pouch, bypassing about two feet of intestines.