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The Num Lock key exists because earlier 84-key IBM PC keyboards did not have cursor control or arrows separate from the numeric keypad. Most earlier computer keyboards had different number keys and cursor control keys; however, to reduce cost, IBM chose to combine the two in their early PC keyboards. Num Lock would be used to select between the ...
Scrolling Lock – Scroll Lock. In some applications, such as spreadsheets, the lock mode is used to change the behavior of the cursor keys to scroll the document instead of the cursor. Usually located to the right of the function keys. Some laptops and compact keyboards also have a Function Lock - FN Lock.
With Num Lock on, digit keys produce the corresponding digit. On Apple Macintosh computers, which lack a Num Lock key, the numeric keypad always produces only numbers; the Num Lock key is replaced by the Clear key. The arrangement of digits on numeric keypads with the 7-8-9 keys two rows above the 1-2-3 keys is derived from calculators and cash ...
Use keyboard to control cursor: Left Alt+Left Shift+Numlock [27] Allow user to press shortcuts one key at a time: ⇧ Shift press 5 times: ⇧ Shift 5 times [28] Hear beep when -lock key pressed: Numlock hold 5 seconds: Stop/slow repeating characters when key is pressed: Right Shift hold 8 seconds: ⇧ Shift hold for 8 seconds [29] [30] [31 ...
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.
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. [1] [2] In this usage, Scroll Lock is a toggling lock key like Num Lock or Caps Lock, which have a state that persists after the key is ...
When a computer's operating system crashes or hangs the Num Lock key is usually the only key that responds to being pressed. Generally on a PC running Windows, when the operating system hangs, none of the keyboard keys react, and the keyboard's LEDs won't even toggle, including the Num Lock. The Num Lock key can be deactivated by a number of means.
For example, in most keyboard layouts the Shift key combination ⇧ Shift+A will produce a capital letter "A" instead of the default lower-case letter "a" (unless in Caps Lock or Shift lock mode). A combination of Alt+F4 in Microsoft Windows will trigger the shortcut for closing the active window; in this instance, Alt is the modifier key.