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  2. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    Long continuous beep tone Memory failure Steady, long beeps Power supply bad No beep Power supply bad, system not plugged in, or power not turned on No beep If everything seems to be functioning correctly there may be a problem with the 'beeper' itself. The system will normally beep one short beep. One long, two short beeps Video card failure

  3. Windows wait cursor - Wikipedia

    en.wikipedia.org/wiki/Windows_wait_cursor

    Control.Cursor is the cursor shown when the mouse is in the control's region; System.Windows.Forms.Cursor.Current is the cursor shown when the mouse enters any window of the application. [2] For long term wait cursors, the UseWaitCursor property can be set (either Control level or application level) on one occasion and reset at another time. [2]

  4. Cursor (user interface) - Wikipedia

    en.wikipedia.org/wiki/Cursor_(user_interface)

    In computing, a pointer or mouse pointer (as part of a personal computer WIMP style of interaction) [10] [11] [12] is a symbol or graphical image on the computer monitor or other display device that echoes movements of the pointing device, commonly a mouse, touchpad, or stylus pen. It signals the point where actions of the user take place.

  5. Mouse jiggler - Wikipedia

    en.wikipedia.org/wiki/Mouse_Jiggler

    A mechanical mouse jiggler for an Apple mouse. A mouse jiggler is a software used to simulate the movement of a computer mouse. [1] [2] It can also be a mechanical device moving the physical computer mouse. In all cases, it prevents sleep mode, standby mode or the screensaver from activating. Mouse jigglers are also known as mouse movers. [3]

  6. Focus (computing) - Wikipedia

    en.wikipedia.org/wiki/Focus_(computing)

    However, when considering a graphical interface, there is also a mouse pointer involved. Moving the mouse will typically move the mouse pointer without changing the focus. The focus can usually be changed by clicking on a component that can receive focus with the mouse. Many desktops also allow the focus to be changed with the keyboard.

  7. Pointing device - Wikipedia

    en.wikipedia.org/wiki/Pointing_device

    A computer mouse Touchpad and a pointing stick on an IBM notebook Trackpoint An elder 3D mouse 3D pointing device. A pointing device is a human interface device that allows a user to input spatial (i.e., continuous and multi-dimensional) data to a computer.

  8. Computer mouse - Wikipedia

    en.wikipedia.org/wiki/Computer_mouse

    A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse. A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface

  9. Throbber - Wikipedia

    en.wikipedia.org/wiki/Throbber

    A throbber animation like that seen on many websites when a blocking action is being performed in the background. A throbber, also known as a loading icon, is an animated graphical control element used to show that a computer program is performing an action in the background (such as downloading content, conducting intensive calculations or communicating with an external device).