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  2. Microsoft Product Activation - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Product_Activation

    Microsoft Product Activation is a DRM technology used by Microsoft Corporation in several of its computer software programs, most notably its Windows operating system and its Office productivity suite. The procedure enforces compliance with the program's end-user license agreement by transmitting information about both the product key used to ...

  3. Wakefulness - Wikipedia

    en.wikipedia.org/wiki/Wakefulness

    v. t. e. Wakefulness is a daily recurring brain state and state of consciousness in which an individual is conscious and engages in coherent cognitive and behavioral responses to the external world. Being awake is the opposite of being asleep, in which most external inputs to the brain are excluded from neural processing.

  4. Windows Genuine Advantage - Wikipedia

    en.wikipedia.org/wiki/Windows_Genuine_Advantage

    It also informs users that may have a non-genuine version of Windows why their Windows version isn't being reported as genuine. However, unlike previous releases, it started being only automatically delivered to Windows machines using four widely distributed product keys. [9] The latest update (version 1.9.0040.0) was released on March 24, 2009.

  5. System Locked Pre-installation - Wikipedia

    en.wikipedia.org/wiki/System_Locked_Pre-installation

    It is most probable that an individual OEM royalty is much less than the retail price of the same version of Windows. The product key sticker attached to OEM computers, prior to Windows 8, will not activate the copy of windows supplied with the machine. Only the SLP key can do that and the product key is never requested during activation.

  6. Theories of general anaesthetic action - Wikipedia

    en.wikipedia.org/wiki/Theories_of_general...

    The Meyer-Overton correlation for anaesthetics. A nonspecific mechanism of general anaesthetic action was first proposed by Emil Harless and Ernst von Bibra in 1847. [9] They suggested that general anaesthetics may act by dissolving in the fatty fraction of brain cells and removing fatty constituents from them, thus changing activity of brain cells and inducing anaesthesia.

  7. Default mode network - Wikipedia

    en.wikipedia.org/wiki/Default_mode_network

    In neuroscience, the default mode network ( DMN ), also known as the default network, default state network, or anatomically the medial frontoparietal network ( M-FPN ), is a large-scale brain network primarily composed of the dorsal medial prefrontal cortex, posterior cingulate cortex, precuneus and angular gyrus.

  8. Activation-synthesis hypothesis - Wikipedia

    en.wikipedia.org/wiki/Activation-synthesis...

    The activation-synthesis hypothesis, proposed by Harvard University psychiatrists John Allan Hobson and Robert McCarley, is a neurobiological theory of dreams first published in the American Journal of Psychiatry in December 1977. The differences in neuronal activity of the brainstem during waking and REM sleep were observed, and the hypothesis ...

  9. Product activation - Wikipedia

    en.wikipedia.org/wiki/Product_activation

    Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its ...