Operating system - A special set of programs, which manages all the jobs of a computer and makes it run., User Interface - The commands or menus, through which a user communicates with an external device or a program., Command Line Interface - The user types text-based commands using the keyboard to instruct the computer to take the desired action., Graphical User Interface - Provides picture oriented way to interact with hardware and software, Windows 7 - Popular version of Windows and was released on October 22, 2009, Icons - Small labelled pictures present on the desktop, Taskbar - A long horizontal bar at bottom of desktop, Notification area - Includes clock and group of icons, Screen saver - An image which pops up on the computer screen whenever a computer is left idle for a certain period of time, Gadgets - Mini programs contained in Windows which offer information at a glance,

GUI Operating System: An Introduction

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