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A push-button (also spelled pushbutton) or simply button is a simple switch mechanism to control some aspect of a machine or a process. Buttons are typically made out of hard material, usually plastic or metal. [1] The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed.
These buttons will show a graphical clue (such as staying depressed after the mouse is released) to indicate the state of the option. Such a button may be called a latch button or a latching switch. A button often displays a tooltip when a user moves the pointer over it, especially if the button's content is a standalone icon. The tooltip ...
On Classic Mac OS and macOS, the Control key is used to invoke a "right-click". Apple calls this a "secondary click" as left-handers can choose which side this button is on. It is mostly used as a modifier key for key-combinations. Pressing Control and clicking the mouse button will invoke a contextual menu. This is a compatibility feature for ...
Screenshot from Depression Quest showing a choice that the player must make, as well as their current status. Depression Quest is an interactive fiction game, which presents descriptions of various situations and prompts the player to choose their response. [3] In addition, most pages feature a set of still images and atmospheric music.
On remote control devices, the buttons on the D-pad function in the same manner as other buttons, and are generally used to navigate on-screen menus. Though initially not common, the quick success of the DVD format led to wide availability of remote designs with D-pads circa 2000, and most current menu-driven consumer electronics devices ...
Backmarking works like backtracking by iteratively evaluating variables in a given order, for example, , …,. It improves over backtracking by maintaining information about the last time a variable x i {\displaystyle x_{i}} was instantiated to a value and information about what changed since then.
In 1993 Microsoft introduced a five-pack collection of games whose boss button was the ESC key, positioned in the upper left corner of the keyboard, as contrasted to the use of two keys, the CTRL key plus the letter "B" (for "boss"). [10] Moreover, to demonstrate the power of Windows, it could fill the entire screen or just a portion thereof.
The Caps Lock key on a PC keyboard with US keyboard layout (near upper-left corner, below the Tab key and above the left Shift key). Caps Lock (⇪ Caps Lock) is a button on a computer keyboard that causes all letters of bicameral scripts to be generated in capital letters.