Method of depositing an atomic layer on a substrate. The paper feeding apparatus automatically opens the paper feeder to the paper feeding-standby position when the image forming device is used, and automatically closes the paper feeder to the storing position to minimize space when the image forming device is not in use, thereby accommodating a user and minimizing a size of the image forming device. A scheme of odd and even clocks prevent latch transparency and ensures that loaded data is properly locked, to prevent overwrites. The players receive bonus awards based at least in part on the relationship between the awarded game elements and the game elements which are randomly selected during the bonus game.