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  2. Kensington Security Slot - Wikipedia

    en.wikipedia.org/wiki/Kensington_Security_Slot

    Kensington Security lock: unlocked, locked The Kensington Security Slot is the rightmost opening on the side of this Acer Swift 3 laptop computer. The Kensington Security Slot (also called a K-Slot or Kensington lock) is an anti-theft system for hardware electronics such as notebook computers, computer monitors and others. It is a small, metal ...

  3. Memory protection - Wikipedia

    en.wikipedia.org/wiki/Memory_protection

    The software fault handler can, if desired, check the missing key against a larger list of keys maintained by software; thus, the protection key registers inside the processor may be treated as a software-managed cache of a larger list of keys associated with a process. PA-RISC has 15–18 bits of key; Itanium mandates at least 18.

  4. Keystroke logging - Wikipedia

    en.wikipedia.org/wiki/Keystroke_logging

    Keystroke logging, often referred to as keylogging or keyboard capturing, is the action of recording (logging) the keys struck on a keyboard, [1] [2] typically covertly, so that a person using the keyboard is unaware that their actions are being monitored.

  5. Control-Alt-Delete - Wikipedia

    en.wikipedia.org/wiki/Control-Alt-Delete

    A QWERTY keyboard layout with the position of Control, Alt and Delete keys highlighted. Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del and sometimes called the "three-finger salute" or "Security Keys") [1] [2] is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl+Alt+Delete.

  6. Software protection dongle - Wikipedia

    en.wikipedia.org/wiki/Software_protection_dongle

    There are potential weaknesses in the implementation of the protocol between the dongle and the copy-controlled software. For example, a simple implementation might define a function to check for the dongle's presence, returning "true" or "false" accordingly, but the dongle requirement can be easily circumvented by modifying the software to always answer "true".

  7. Break key - Wikipedia

    en.wikipedia.org/wiki/Break_key

    Break/Pause key on PC keyboard. The Break key (or the symbol ⎉) of a computer keyboard refers to breaking a telegraph circuit and originated with 19th century practice. In modern usage, the key has no well-defined purpose, but while this is the case, it can be used by software for miscellaneous tasks, such as to switch between multiple login sessions, to terminate a program, or to interrupt ...

  8. Regional lockout - Wikipedia

    en.wikipedia.org/wiki/Regional_lockout

    The latter's region lock strictly applies to all software designed for it, with the only exception being the application Nintendo 3DS Guide: Louvre, [11] which is not a game in of itself, but rather as an application that serves as a guide for visitors of the Louvre Museum. Similar to the Wii, the 3DS's regional lockout can be bypassed by third ...

  9. Fn key - Wikipedia

    en.wikipedia.org/wiki/Fn_key

    The Fn key is a form of meta-modifier key, in that it causes the operating system to see altered scancodes when other keys on the keyboard are pressed. This allows the keyboard to directly emulate a full-sized keyboard, so the operating system can use standard keymaps designed for a full-sized keyboard. However, because the operating system has ...