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.
Cosmetic Procedures: Scars. Skin is a seamless organ, like a fine cloth protecting valuable assets. Imagine a piece of silk. Just one small tear can make a big difference in how it looks. And it's the same with skin. Any burn, injury, or other trauma, such as surgery, can cause a scar. Hypertrophic scars. 2  These are raised, red scars that are similar to keloids but do not go beyond the boundary of the injury. 3  Treatments include injections of steroids to reduce inflammation or silicone sheets, which flatten the scar. 4  Acne scars. 5  If you've had severe acne, you probably have the scars to prove it.