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Windows Operating System and its Built-in Facilities

Windows Operating System and its Built-in Facilities. Lab 03. Objectives. What is an Operating System? Various types of Operating Systems Built-in features of Microsoft Windows. Operating System. A program that acts as an intermediary between a user of a computer and the computer hardware.

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Windows Operating System and its Built-in Facilities

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  1. Windows Operating System and its Built-in Facilities Lab 03

  2. Objectives • What is an Operating System? • Various types of Operating Systems • Built-in features of Microsoft Windows

  3. Operating System • A program that acts as an intermediary between a user of a computer and the computer hardware. • Operating system goals: • Execute user programs and make solving user problems easier. • Make the computer system convenient to use. • Use the computer hardware in an efficient manner.

  4. Types of Operating Systems • Single user/Single tasking OS • Single user/Multitasking OS • Multi user/Multitasking OS

  5. Multi user/Multi tasking OS

  6. Graphical User Interface • Graphical user interface (GUI) • Most common interface • Uses a mouse to control objects • Shortcuts open programs or documents • Open documents have additional objects • Task switching • Dialog boxes allow directed input

  7. Graphical User Interface

  8. Command Line Interface • Command line interfaces • Older interface • DOS, Linux, UNIX • User types commands at a prompt • User must remember all commands • Included in all GUIs

  9. Command Line Interface

  10. Different Operating Systems • Windows • Linux • Mac OS • Solaris • Red Hat Linux • Java • Ubuntu • Fedora

  11. Windows • Developed by Microsoft • Windows is a GUI (Graphical User Interface) • Almost all applications and games are compatible • Available in different flavors • As of July 2009, Windows had approximately 93% of the market share of the client operating systems for usage on the Internet

  12. Starting your computer • To start your computer just turn on the power switch or power bar. • The computer will take a few minutes to go through its initialization procedure and might ask you to enter password. • If computer was shut improperly, you may see a screen saying Windows would like to check your files for errors.

  13. Shutting down your computer • Windows is very demanding about being shut down properly (do not just shut the power off). • Move your cursor to “start” button and click on “Turn Off Computer”. • Choose the option you wish. • WAIT (Windows will go through an elaborate process of making sure all programs are shut down. )

  14. Restarting your computer • Sometimes your computer will start doing funny things or your mouse will stop working etc. • Try ALT + CTL + DELETE • If you see a program is not responding, you can try to highlight that program and press the “End Task” button. • If nothing happens try to restart your computer. • You might need to do a hard reset in worst cases.

  15. Mouse • Pointing device that moves pointer or cursor • Point and click (tip of the arrow is the point) • Left and right buttons • Start programs - 1 click vs 2 clicks • Highlight text (click and drag) • Practice makes perfect

  16. Common Cursor Types

  17. Scrolling Pages • Mouse • Click on up and down arrows or • Click on up and down keys in the scroll bar or • Click and drag the small box appearing in scroll bar • Keyboard (make sure cursor is on page by clicking on empty space) • Use arrow keys • Use page up, page down, home and end

  18. Opening Programs • If on desktop as icon, double click on icon. You may use “Enter” as well. • Click on “Start” button, move cursor up to “All Programs”. After menu on the right appears move cursor over to menu and up or down to required program. Click on program

  19. Closing Programs • Click on the X icon in the top right hand corner of the window . • Right click on program from taskbar and choose "Quit” or “Exit” or “Close”. • Hold down the Alt key and press F4.

  20. Title bar Menu bar Tool bar Format bar Status bar

  21. Using Menu Bars • All Windows programs have a menu bar and everything you can do with that program will be available from one of the drop-down menus • Place tip of the cursor on the word in Menu bar and click. Move cursor down drop-down menu to action you want to perform and click. • If item has an arrow pointing to the right move cursor to the right to see the submenu.

  22. Menu items common to most Windows programs • File (includes New file, open file, save and print functions) • Edit (includes Find and Cut, Copy and Paste) • View (allows you to change the look of screen by adding and subtracting bars like tool bar) • Tools (most programs but program specific) • Window (allows you arrange windows and choose between different files) • Help used to give help in program’s functions and gives version no. for troubleshooting purposes

  23. Using Tool Bars • Icons which represent frequently used actions • Place tip of cursor in middle of icon and click • Opening files, printing, and saving files are common in tool bars • If you do not know what an icon signifies, move cursor over the icon and wait for a couple of seconds and a brief description will appear.

  24. Handling files • Organized hierarchy • My Documents (equivalent of filing cabinet) • Folders (drawers) (eg. House related items) • Subfolders (folders within drawer) • Documents (papers within folders)

  25. Windows Explorer • Open by right clicking on “Start” button or going to start -> All Programs -> Accessories • Left-hand pane is hierarchical organization of your computer (includes folders only, no files) • + means subfolders are available under heading • - means all folders have been displayed • Right-hand pane lists all folder or files of the highlighted folder

  26. Saving Files • Saving files for first time is “Save as” • “Save” will save previously saved item in same place as before wiping out original • When saving a file always remember to check that “Save in” box is correct • Failure to change to correct folder can make it difficult to find file when needed

  27. Opening Files • Put cursor on word “File” in file menu and click. Move down the drop-down menu to “Open” and click • If you do not get the Dialog box with the “Look in” box in it, click on the box labeled “Browse” • You can also open a file by finding it in Windows Explorer and double clicking on it

  28. Deleting Files • Highlight the file you want to delete and press the delete key. • Right click on the file and select “Delete”. • Drag the file to the recycle bin.

  29. Creating Shortcuts • A shortcut is a pointer to a file or program on your hard drive. • A shortcut can be identified by an arrow in the icon. • Shortcuts can be deleted without deleting the original program. • Using Windows Explorer.

  30. Hard Drive Maintenance • Monthly scan of your hard drive • Checks your drive for bad segments and marks them so that hard drive does not try to save things there • Monthly or semi-annual defragmentation • Checks to make different parts of same file are not stored in different places on hard drive (happens when files are resaved many times) in order to improve performance of hard drive

  31. Control Panel • Add Hardware • Add or Remove Programs • Date and Time • Display • Folder Options • Keyboard • Mouse • Printers and Faxes • Regional and Language Settings • Sounds and Audio Devices • System • Taskbar and Start Menu • User Accounts

  32. Help • Primary source of information about Windows. • Index tab can be used for detailed information on specific topics. • You can find information about printing a document by searching keyword “printing” and selecting “documents”. Then click “Display” to see search results.

  33. Search • Used for searching files and folders in your drives. • You can specify file name, file type and drive(s) to search. • Search results are displayed on the right side.

  34. Recycle Bin • Deleted files and folders are temporarily stored in Recycle Bin. • You can retrieve the file or delete it permanently from Recycle Bin. • To retrieve, open Recycle Bin. Right click on the icon you want to retrieve and select “Restore”. • To permanently delete file or folder, use “Empty Recycle Bin” option.

  35. Task Manager • Provides detailed information about computer performance, running applications, processes, CPU usage, memory information, logged-in users, and system services etc. • Can be used to set process priorities, forcibly terminate processes, shut down, restart, hibernate and log off from Windows. • Pressing Ctrl+Alt+Del or Ctrl+Shift+Esc directly launches Task Manager. You can also start “taskmgr.exe” from command prompt.

  36. Further Study • History of Microsoft Windows http://en.wikipedia.org/wiki/History_of_Microsoft_Windows • Learning Windows XP http://www.learnthat.com/courses/computer/windowsxp/ • Windows Help http://www.helpwithwindows.com/

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