Tabs allow executing multiple instances of itself & appear as separate windows - Program Writing

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• Nirja Shah   -Posted on 19 Oct 15
  GUI Elements
  
  - GUI provides a set of components to interact with software or hardware.
  
  - Every graphical component provides a way to work with the system.
  
  - A GUI system has following elements such as:
  
  Window
  - An area where contents of application are displayed.
  - Contents in a window can be displayed in the form of icons or lists, if the window represents file structure.
  - It is easier for a user to navigate in the file system in an exploring window.
  - Windows can be minimized, resized or maximized to the size of screen.
  - They can be moved anywhere on the screen.
  - A window may contain another window of the same application, called child window.
  
  Tabs
  - If an application allows executing multiple instances of itself, they appear on the screen as separate windows.
  - Tabbed Document Interface has come up to open multiple documents in the same window.
  - This interface also helps in viewing preference panel in application.
  - All modern web-browsers use this feature.
  
  Menu
  - Menu is an array of standard commands, grouped together and placed at a visible place (usually top) inside the application window.
  - The menu can be programmed to appear or hide on mouse clicks.
  
  Icon
  - An icon is small picture representing an associated application.
  - When these icons are clicked or double clicked, the application window is opened.
  - Icon displays application and programs installed on a system in the form of small pictures.
  
  Cursor
  - Interacting devices such as mouse, touch pad, digital pen are represented in GUI as cursors.
  - On screen cursor follows the instructions from hardware in almost real-time.
  - Cursors are also named pointers in GUI systems.
  - They are used to select menus, windows and other application features.
  

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