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  2. Touchpad - Wikipedia

    en.wikipedia.org/wiki/Touchpad

    Closeup of a touchpad on an Acer CB5-311 laptop Closeup of a touchpad on a MacBook 2015 laptop. A touchpad or trackpad is a type of pointing device.Its largest component is a tactile sensor: an electronic device with a flat surface, that detects the motion and position of a user's fingers, and translates them to 2D motion, to control a pointer in a graphical user interface on a computer screen.

  3. ThinkPad Twist - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_Twist

    Lenovo's proprietary support software includes a backup and restore utility, a USB blocker, software monitoring, power management tools, tune-up utilities, and Lenovo Cloud Storage, powered by SugarSync. Lenovo offers a free download of QuickLaunch, a utility that restores Windows' traditional Start Menu in order to avoid the new interface of ...

  4. Windows wait cursor - Wikipedia

    en.wikipedia.org/wiki/Windows_wait_cursor

    The Windows wait cursor, informally the Blue circle of death (known as the hourglass cursor until Windows Vista) is a throbber that indicates that an application is busy performing an operation. It can be accompanied by an arrow if the operation is being performed in the background. The wait cursor can display on programs using the Windows API.

  5. Priority inversion - Wikipedia

    en.wikipedia.org/wiki/Priority_inversion

    In computer science, priority inversion is a scenario in scheduling in which a high-priority task is indirectly superseded by a lower-priority task, effectively inverting the assigned priorities of the tasks. This violates the priority model that high-priority tasks can only be prevented from running by higher-priority tasks.

  6. Display lag - Wikipedia

    en.wikipedia.org/wiki/Display_lag

    This lag time has been measured as high as 68 ms, [1] or the equivalent of 3-4 frames on a 60 Hz display. Display lag is not to be confused with pixel response time, which is the amount of time it takes for a pixel to change from one brightness value to another. Currently the majority of manufacturers quote the pixel response time, but neglect ...

  7. Lag (video games) - Wikipedia

    en.wikipedia.org/wiki/Lag_(video_games)

    Input-lag is the lag produced by the input device, such as a mouse, keyboard or other controller, and its connection. Wireless devices are particularly affected by this kind of lag. [ 6 ] The refresh rate is a type or part of input-lag that is the rate of a display to produce distinct picture, measured in Hz (e.g. 60, 240 or 360, that is 16.7 ...

  8. Reverse engineering - Wikipedia

    en.wikipedia.org/wiki/Reverse_engineering

    The Tupolev Tu-4, a Soviet bomber built by reverse engineering captured Boeing B-29 Superfortresses. Reverse engineering (also known as backwards engineering or back engineering) is a process or method through which one attempts to understand through deductive reasoning how a previously made device, process, system, or piece of software accomplishes a task with very little (if any) insight ...

  9. Lag - Wikipedia

    en.wikipedia.org/wiki/Lag

    Lag (cue sports), a brief pre-game competition to determine which player will go first; Latency (engineering), a slower response time in computing, communications, and engineering; Lag (video games), a slower response time in video gaming; Lag screw or lag bolt; Jet lag; Turbo lag; A very long putt in golf; British slang for inmate in a prison ...