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The scroll-lock key with an activated indicator light on an IBM Model M keyboard. Scroll Lock (⤓ or ⇳) is a lock key (typically with an associated status light) on most IBM-compatible computer keyboards. Depending on the operating system, it may be used for different purposes, and applications may assign functions to the key or change their ...
When ToggleKeys is turned on, the computer will provide sound cues when the locking keys (⇪ Caps Lock, Num Lock, or Scroll Lock) are pressed. A high-pitched sound plays when the keys are switched on and a low-pitched sound plays when they are switched off.
Capital Lock – Caps Lock. When enabled, letters the user types will be in uppercase by default rather than lowercase. Located at left end of the keyboard, above the left shift key. Also while Caps Lock is engaged, typically the shift key instead adjusts the now-capital letter keys to type in lowercase. Scrolling Lock – Scroll Lock.
All other scrolling must be manually controlled by the user by use of scroll bars, mouse wheel, or Page Up/Page Down keys. Another alternate form of control is used in some spreadsheets when the Scroll Lock key is activated. In this case the caret is locked to the centre of the screen and the cursor keys instead move the worksheet itself ...
Num Lock or Number Lock (⇭) is a key on the numeric keypad of most computer keyboards. It is a lock key, like Caps Lock and Scroll Lock. Its state affects the function of the numeric keypad commonly located to the right of the main keyboard and is commonly displayed by an LED built into the keyboard. The Num Lock key exists because earlier 84 ...
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It also controls the illumination of the "caps lock", "num lock" and "scroll lock" lights. A common test for whether the computer has crashed is pressing the "caps lock" key. 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 ...
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 ...