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An electric toothbrush, motorized toothbrush, or battery-powered toothbrush is a toothbrush that makes rapid automatic bristle motions, either back-and-forth oscillation or rotation-oscillation (where the brush head alternates clockwise and counterclockwise rotation), in order to clean teeth. Motions at sonic speeds or below are made by a motor.
The same battery is used in the iPAQ jacket PN 173396-001 PCMCIA (PC port), which may also be upgraded to a 2200 mAh unit. The 3800/3900 series are fitted with a 1700 mAh cell as standard, also upgradeable to 2200 mAh. Compaq presumably upgraded the battery to cope with the faster CPU's power requirements.
A telephone keypad using the ITU E.161 standard. Numeric keypad, integrated with a computer keyboard A calculator 1984 flier for projected capacitance keypad. A keypad is a block or pad of buttons set with an arrangement of digits, symbols, or alphabetical letters.
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
A white standard wired chiclet keyboard (flat keyboard) A chiclet keyboard is a computer keyboard with keys that form an array of small, flat rectangular or lozenge-shaped rubber or plastic keys that look like erasers or "Chiclets", a brand of chewing gum manufactured in the shape of small squares with rounded corners.
They have a thinner design, with a thickness of 1.57 cm (almost half of the TI-89), a 1,200 mA·h (1,060 mAh before 2013) rechargeable battery (wall adapter is included in the American retail package), a 320 by 240 pixel full color backlit display (3.2" diagonal), and OS 3.0 which includes features such as 3D graphing.
A gaming keypad. A gaming keypad is a small, auxiliary keyboard designed only for gaming. It has a limited number of the original keys from a standard keyboard, and they are arranged in a more ergonomic fashion to facilitate quick and efficient gaming key presses. The commonly used keys for gaming on a computer are the 'W', 'A', 'S', 'D', and ...
The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking. Optical pointing sticks are also used on some Ultrabook tablet hybrids, such as the Sony Duo 11, ThinkPad Tablet and Samsung Ativ Q.