POINTING DEVICES




A pointing device is an input interface that allows a user to input spatial data to a computer.

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LIST OF POINTING DEVICES
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A mouse is a small handheld device pushed over a horizontal surface.

A Mini-mouse is a small egg-sized mouse for use with laptop computers.

A trackball is a pointing device consisting of a ball housed in a socket containing sensors to detect rotation of the ball about two axes, similar to an upside-down mouse.

Isotonic joysticks are handle sticks where the user can freely change the position of the stick, with more or less constant force.

Isometric joysticks – where the user controls the stick by varying the amount of force they push with, and the position of the stick remains more or less constant.

A pointing stick is a pressure sensitive small nub used like a joystick. It is usually found on laptops embedded between the ‘G’, ‘H’, and ‘B’ keys. It operates by sensing the force applied by the user. The corresponding “mouse” buttons are commonly placed just below the spacebar. It is also found on mice and some desktop keyboards.

A graphics tablet or digitizing tablet is a special tablet similar to a touchpad, but controlled with a pen or stylus that is held and used like a normal pen or pencil. The thumb usually controls the clicking via a two-way button on the top of the pen, or by tapping on the tablet’s surface.

A touchpad or trackpad is a flat surface that can detect finger contact. It’s a stationary pointing device, commonly used on laptop computers.

A touchscreen is a device embedded into the screen of the TV monitor, or system LCD monitor screens of laptop computers. Users interact with the device by physically pressing items shown on the screen, either with their fingers or some helping tool.

A lightpen is a device similar to a touch screen, but uses a special light sensitive pen instead of the finger, which allows for more accurate screen input.

Footmouse – sometimes called a mole – a mouse variant for those who do not wish to or cannot use the hands or the head; instead, it provides footclicks.

eye tracking devices – A mouse controlled by the user’s eyeball/retina movements, allowing cursor-manipulation without touch.

laser pen – can be used in presentations as a pointing device

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