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  1. Which of the following commands is called as three-finger salute in computers?
    1. Ctrl + Alt + Delete
    2. Ctrl + Shift + Escape
    3. Ctrl + Shift + Enter
    4. Ctrl + Alt + Arrow key
Correct Option: A

The three-finger salute refers to the original PCcompatible system command to reboot or restart a computer by pressing three keys simultaneously: Control, Alt and Delete. The three-key combination of Control-Alt-Delete is specifically designed to be impossible to execute with one hand in order to avoid the potential for accidental reboots. It was developed by David Bradley.


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