1st Year Computer Chapter 7 Notes

• What is the purpose of the operating system?
• What is a GUI Operating System? 
• What is a Command Line Operating System?
• List out different objects of the Windows Operating System.
• What is a Desktop?
• What is the use of the My Computer icon?
• What is the use of the My Documents folder?
• What is a Recycle Bin?
• What is Internet Explorer?
• What is Windows Explorer?
• What is the use of the Start Button?
• What is a Control Panel?
• What are Mouse Events?
• What do you mean by the drag event of a mouse?
• List out features of Windows.
• Define Multitasking.
• Define Multiprocessing.
• Define Multi-User Operating System.
• What do you mean by plug and play?
• What is a clipboard?  What is a print queue?
• Define Partition.  
•  What is a primary partition?  Define file management
•  What is an extended partition?
  
• An operating system is system software that provides an interface for the user to interact with the computer. Without a computer Operating System a computer would be useless. The purpose of an operating system is to organize and control hardware and software so that the devices it manages behave in a flexible but predictable way.
• Types of Operating System: Operating systems are classified on the basis of various features such as user interaction, how many tasks they can perform at a time, and how many processors they can support etc. On the basis of user interaction there are two types of operating system:
• GUI (Graphical User Interface) Operating system
• Command Line Operating System
• Graphical User Interface Operating System
• A GUI operating system provides a graphical user interface to establish the user communication with the computer. The user does not require memorizing commands to perform various tasks such as copying a file, opening a document, printing a spreadsheet etc. The user uses graphical objects (e.g. icon, windows, buttons etc) to perform different tasks. He/She just requires recognizing various graphical objects and tasks that can be performed with them. Examples of GUI operating system are Windows, Linux, and Solaris etc.
• Command Line Operating System: A command line operating system provides a command prompt to the user for typing different commands to interact with the computer. The user needs to memorize commands to perform deferent tasks. Examples of Command line operating system are DOS (Disk Operating System), Unix etc. What is Recycle Bin: The Recycle Bin is a special folder of Windows on the hard disk. It has an icon on the desktop. It contains file and folders that are deleted from the hard disk. Any file or folder you delete from the hard disk, are transferred to the Recycle Bin. These files or folders can be restored from the Recycle Bin to their original location if required for use.