The lock screen is a security feature for a computer, smartphone, or tablet that helps prevent to secure from unauthorized access to the device. It is an interface that looks upon startup. When a device is locked, then the device's applications are limited for accessing. A locked device helps to save the device's data from unwanted users. If anyone tries to use a lock screen feature to protect the device, it needs a specific action or sequence of actions to be performed correctly. When a device is locked and entered the password to unlock the device, it is unlocked only with the correct password or biometrics*. The desktop, home screen, or app icons is displayed on the screen; if the device is unlocked, then the device can be used freely.
Interesting Facts:
*Automatic recognition of people based on their anatomical (e.g., face, fingerprint, iris, retina) and behavioral (e.g., signature, posture) individualities is called Biometrics
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