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  2. System request - Wikipedia

    en.wikipedia.org/wiki/System_request

    A 104-key PC US English keyboard layout with System request circled. System Request (SysRq or Sys Req) is a key on personal computer keyboards that has no standard use. Introduced by IBM with the PC/AT, it was intended to be available as a special key to directly invoke low-level operating system functions with no possibility of conflicting with any existing software.

  3. AltGr key - Wikipedia

    en.wikipedia.org/wiki/AltGr_key

    IBM states that AltGr is an abbreviation for alternate graphic. [3] [4]Sun Microsystems keyboard, which labels the key as Alt Graph. A key labelled with some variation of "Alt Graphic" was on many computer keyboards before the Windows international layouts.

  4. Space bar - Wikipedia

    en.wikipedia.org/wiki/Space_bar

    The space bar, spacebar, blank, or space key, [1] is a key on a typewriter or alphanumeric keyboard in the form of a horizontal bar in the lowermost row, significantly wider than all other keys. Its main purpose is to conveniently enter a space , e.g., between words during typing .

  5. Non-printing character in word processors - Wikipedia

    en.wikipedia.org/wiki/Non-printing_character_in...

    Windows Alt Key Codes [5] Unicode name Unicode code Unicode code Space · Space: SPACE 0x20 0032 Non-breaking space ° Ctrl+⇧ Shift+Space: Ctrl+Space for FrameMaker, LyX (non-Mac), OpenOffice.org (before 3.0), WordPerfect: Alt+0+1+6+0 or Alt+2+5+5 (not always works) NO-BREAK SPACE 00A0 0160 Pilcrow ¶ ↵ Enter: Alt+0 1 8 2 or Alt+2 0 (on ...

  6. Table of keyboard shortcuts - Wikipedia

    en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

    In computing, a keyboard shortcut is a sequence or combination of keystrokes on a computer keyboard which invokes commands in software.. Most keyboard shortcuts require the user to press a single key or a sequence of keys one after the other.

  7. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    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 indicator lights work in a similar way. The keyboard driver also tracks the Shift, alt and control state of the keyboard.

  8. ThinkLight - Wikipedia

    en.wikipedia.org/wiki/ThinkLight

    ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM, and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013. [1]

  9. Magic Keyboard - Wikipedia

    en.wikipedia.org/wiki/Magic_Keyboard

    The Magic Keyboard is an Apple trademark used on several of their keyboards, referring to: Magic Keyboard (Mac) , a wireless keyboard released by Apple in 2015 Magic Keyboard for iPad , a wireless keyboard with an integrated trackpad for use in iPads with a Smart Connector, released in 2020