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Computer accessibility refers to the accessibility of a computer system to all people, regardless of disability type or severity of impairment. The term accessibility is most often used in reference to specialized hardware or software, or a combination of both, designed to enable the use of a computer by a person with a disability or impairment.
Hands-free computing is any computer configuration where a user can interface without the use of their hands, an otherwise common requirement of human interface devices such as the mouse and keyboard. Hands-free computing is important because it is useful to both able and disabled users.
A context menu is invisible until the user performs a specific mouse action, like pressing the right mouse button. When the software-specific mouse action occurs the menu will appear under the cursor. [3] Menu extras are individual items within or at the side of a menu.
Point and click are one of the actions of a computer user moving a pointer to a certain location on a screen (pointing) and then pressing a button on a mouse or other pointing device (click). An example of point and click is in hypermedia, where users click on hyperlinks to navigate from document to document.
A mouse is moved without the button being pushed. This state can be called tracking, meaning the user just moves the mouse without further interacting with the system. If the mouse is pointed at an icon and the button is pressed while moving the mouse, a new state called dragging is entered. These states are shown in the image "2 State ...
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The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
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