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The on-screen keyboard is the most common type of virtual keyboard. The accuracy of this keyboard depends only on hitting the right key. The main purpose of an on-screen keyboard is to provide an alternative mechanism for disabled users who cannot use a physical keyboard, or to provide text input on devices lacking a physical keyboard, such as ...
In this text navigation mode the ‘cursor’, often depicted as a blinking vertical line, appears within the text on-screen. The user can then navigate throughout the text by using the arrow navigation keys to cause the cursor to move; typically changing the cursor's location in increments of character position horizontally and of text line vertically.
Virtual keyboards are commonly used as an on-screen input method in devices with no physical keyboard where there is no room for one, such as a pocket computer, personal digital assistant (PDA), tablet computer, or touchscreen-equipped mobile phone. Text is commonly inputted either by tapping a virtual keyboard or finger-tracing. [10]
In computing, multi-touch is technology which enables a touchpad or touchscreen to recognize more than one [7] [8] or more than two [9] points of contact with the surface. Apple popularized the term "multi-touch" in 2007 with which it implemented additional functionality, such as pinch to zoom or to activate certain subroutines attached to predefined gestures.
A computer mouse Touchpad and a pointing stick on an IBM notebook Trackpoint An elder 3D mouse 3D pointing device. A pointing device is a human interface device that allows a user to input spatial (i.e., continuous and multi-dimensional) data to a computer.
A layer placed over a computer screen, used by physically touching it. trackball Similar to a mouse, a trackball has a ball held by a socket. Instead of moving the mouse, the user rolls the ball with their finger. graphics tablet, digitizer, or drawing tablet A flat surface on which a pen is used, usually to draw images or capture signatures.
Portable keyboard with touchpad: Keyboard comes with integrated touch pad. [2] Portable with Stand - comes with tablet/smartphone stand [3] Roll-up wireless keyboard: wireless keyboard that can be rolled up when not in use. [4] Mini Wireless Keyboard: Palm sized keyboard with an integrated touch pad; uses thumb typing
A graphical user interface (GUI) showing various elements: radio buttons, checkboxes, and other elements. A graphical user interface, or GUI (/ ˈ ɡ uː i / [1] [2] GOO-ee), is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation.