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.
Scarring is related to age, ethnic origin, and the severity, depth and location of the burn. Scars form when the dermal or lower layer of the skin has been damaged, as in the case of a burn. The body forms a protein called collagen to help heal the damaged skin.