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.
Scar skin tissue isn't like normal skin tissue -- it doesn't have sweat glands or hair growing from it. It's also more vulnerable to ultraviolet rays. Most scars are whitish and lay flat on the surface of your skin. But some scars, such as hypertrophic scars and keloids, take on an odd appearance.car skin tissue isn't like normal skin tissue -- it doesn't have sweat glands or hair growing from it. It's also more vulnerable to ultraviolet rays. Most scars are whitish and lay flat on the surface of your skin. But some scars, such as hypertrophic scars and keloids, take on an odd appearance.