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.
Chapter 3 â Gastric Bypass. Drs. Mason and Ito initially developed this procedure in the 1960s. The gastric bypass was based on the weight loss observed among patients undergoing partial stomach removal for ulcers. Over several decades, the gastric bypass has been modified into its current form, using a Roux-en-Y limb of intestine (RYGBP). The RYGBP is the most commonly performed operation for weight loss in the United States.