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The Page Up and Page Down keys (sometimes abbreviated as PgUp and PgDn) are two keys commonly found on computer keyboards . The two keys are primarily used to scroll up or down in documents, but the scrolling distance varies between different applications. In word processors, for instance, they may jump by an emulated physical page or by a ...
Caret navigation. A caret flashing in a text entry box. In computing, caret navigation (or caret browsing) [1] [2] is a kind of keyboard navigation where a caret (also known as a ‘text cursor’, ‘text insertion cursor’, or ‘text selection cursor’) is used to navigate within a text document.
Mozilla Firefox before version 14 on Mac OS X: hold Control, press access key. Safari 3 or earlier on Mac OS X: hold Control, press access key. Camino ( Mac OS X ): hold Control, press access key. Opera 12 and lower: press and release ⇧ Shift + Esc, then press access key.
Window scrolling. The Scroll Lock key is meant to lock all scrolling techniques and is a vestige of the original IBM PC keyboard. In its original design, Scroll Lock was intended to modify the behavior of the arrow keys. When the Scroll Lock mode is on, the arrow keys scroll the contents of a text window instead of moving the cursor.
Mouse keys. Mouse keys is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse ). Its roots lie in the earliest days of visual editors when line and column navigation was controlled with arrow keys . Today, mouse keys usually refers to the numeric keypad ...
The middle "wheel" is the scroll wheel. A scroll wheel is a wheel used for scrolling. The term usually refers to such wheels found on computer mice (where they can also be called a mouse wheel ). It is often made of hard plastic with a rubbery surface, centred around an internal rotary encoder. It is usually located between the left and right ...
In a typical text editing application, the cursor can be moved by pressing various keys. These include the four cursor keys, the Page Up and Page Down keys, the Home key, the End key, and various key combinations involving a modifier key such as the Control key. The position of the cursor also may be changed by moving the mouse pointer to a ...
A typical wireless computer mouse. A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of the pointer (called a cursor) on a display, which allows a smooth control of the graphical user interface of a ...