Computer Science, asked by priyanka1977septembe, 6 days ago

A graphical control element that provide the simple way to tigger the event, like searching​

Answers

Answered by anshbagul79
0

Answer:

In computing, the term button (sometimes known as a command button or push button) refers to any graphical control element that provides the user a simple way to trigger an event, like searching for a query at a search engine, or to interact with dialog boxes, like confirming an action.

Explanation:

Overview

A typical button is a rectangle or rounded rectangle, wider than it is tall, with a descriptive caption in its center.[2] The most common method of pressing a button is clicking it with a pointer controlled by a mouse, but other input such as keystrokes can be used to execute the command of a button. A button is not however always restricted to a rectangular shape. The sole requirement of button interaction is that the user can execute a command by a click action. Thus pictures and background areas can be programmed as buttons. When pressed, in addition to performing a predetermined task, buttons often undergo a graphical change to mimic a mechanical button being depressed.

A button often displays a tooltip when a user moves the pointer over it. The tooltip serves as built-in documentation that briefly explains the purpose of the button.

Some very common incarnations of the button widget are:

  • An OK button for confirming actions and closing the windows
  • A Cancel button for canceling actions and closing the window
  • An Apply button for confirming actions without closing the window
  • A Close button for closing windows after changes have already been applied

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