*Gyrus(gyri)-is a ridge on the cerebral cortex. Folds on the brain material. Many ridges called convolutions, or gyri, or gyrus, separated by grooves, mark the cerebrum's surface. *Sulcus(sulci)- shallow grooves on the brain.Generally, a shallow to somewhat deep groove is called a sulcus, or sulci, and a very deep groove is called a fissure.1  2 cerebral hemispheres:olds on the brain material. Many ridges called convolutions, or gyri, or gyrus, separated by grooves, mark the cerebrum's surface. *Sulcus(sulci)- shallow grooves on the brain. Generally, a shallow to somewhat deep groove is called a sulcus, or sulci, and a very deep groove is called a fissure. 1  2 cerebral hemispheres:
Most common pointing device on a notebook? The most common now is the touch pad. Prior to the touch pad, a stick pointer that looked much like a pencil eraser was more common; but the touch pad became more popular. Making the world better, one answer at a time.
Mouse pointer. The mouse cursor, or mouse arrow, or mouse pointer is often shaped like an arrow or a small hand with the index finger pointing towards the top of the display device. The mouse pointer moves as the user moves his or her mouse and is used as a reference point to where the mouse is located on the display screen. The picture is an example of a mouse cursor.