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.
Femoral hernia â This is a hernia through the passage that contains the large blood vessels (the femoral artery and vein) between the abdomen and the thigh. This type of hernia causes a bulge in the upper thigh just under the groin and is more common in women than men. Epigastric hernia â A small bit of fat bulges through a weakness in the upper abdominal muscles between the navel and breastbone. Most people with such hernias are between ages 20 and 50.