Flip-flops and latches are used as data storage elements. A flip-flop stores a single bit (binary digit) of data; one of its two states represents a one and the other represents a zero. Such data storage can be used for storage of state, and such a circuit is described as sequential logic.
1 Incisional hernia can occur through a scar if you have had abdominal surgery in the past. 2  Umbilical hernia is a bulge around the belly button. 3  It occurs when the muscle around the belly button does not close completely after birth.
An abdominal wall hernia is a protrusion of the intestine through an opening or area of weakness in the abdominal wall. An abdominal wall hernia causes a noticeable bulging but little discomfort. The diagnosis is made by physical examination and sometimes ultrasonography or a computed tomography scan. Treatment involves surgery to repair the hernia.