Type of mouse that has a ball located on the bottom that rolls around on a flat surface as the mouse is moved. Sensors inside the mouse determine the direction and distance of the movement - Input. Optical mouse. Type of mouse that uses a laser to detect the mouse's movement and has no moving parts - Input.
The Strategic Defense Initiative (SDI) was a proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons (Intercontinental ballistic missiles and Submarine-launched ballistic missiles).
âOni (Street Fighter IV series) Oni (é¬¼, Oni, Demon), also known as Kuruoshiki Oni (çãªã·ã­é¬¼, Kuruoshiki Oni, Mad Demon), is a character in the Street Fighter series. He makes his debut in the Arcade Edition update of Super Street Fighter IV as a secret boss and a playable character.