List four major functions of an OS. 2. Which operating system is only used on Apple Macintosh computers? 3. Which operating system was developed by Microsoft using core components of OS/2 and was meant to replace OS/2? 4. What is the next Microsoft operating system for desktop computers to be released in 2007? 5. Which operating system often used for server applications is a scaled-down version of Unix? 6. Why did many users choose not to upgrade to Windows Me? 7. What Microsoft OS is an upgrade of Windows 2000? 8. What are three possible interfaces an OS provides to the user? Briefly explain the functions of each. 9. Which file system is used by floppy disks? 10. What are two file systems used by hard drives? 11. Real mode operates using a(n) ___-bit data path, and protected mode uses a(n) ____-bit data path. 12. Which Microsoft operating system(s) support 16-bit device drivers or 32-bit device drivers? 13. Real mode allows programs direct access to ____, but protected mode does not. 14. List three types of information that are kept in the Windows registry. 15. List four ways to launch an application from the Windows desktop. 16. Give two situations in which Windows keystroke shortcuts might be useful. 17. How do you access the Display Properties window? What are two settings you can change from this window? 18. What Windows 2000/XP and Windows 9x utility allows you to update the device driver for a device? 19. Users and applications depend on what to relate to all hardware components? 20. Every operating system has two main internal components. The ________ relates to the user and to applications and provides a command, menu, or icon interface, whereas, the ________ is responsible for interfacing with the hardware. 21. What command can you enter in the Run dialog box to launch Device Manager? 22. Applets in the Control Panel are stored as program files with what file extension? 23. What Windows 2000/XP tool can you use to few the number of partitions used by a hard drive? 24. What command can you enter in the Run dialog box to launch the Windows 2000/XP System Information utility? 25. Which Windows operating system(s) allow more than one user to be logged on simultaneously, each having his or her own open applications? 26. When using Linux, what is the purpose of an X Windows application? 27. What command can you enter in the Run dialog box of Windows 2000/XP to launch the Disk Management utility? 28. A floppy drive is divided into tracks, which are divided into sectors. How large is each sector? 29. What is the name of the file used by Windows 2000/XP to hold data and instructions in virtual memory? 30. Which of the two OS core components includes the Windows desktop? Which of the two OS core components includes the Windows memory manager? 31. What is the purpose of the Boot Camp software on a Mac? 32. What type of data is contained in files that have an .ini or .inf file extension? 33. In Windows XP Device Manager, how do you uninstall a device? 34. What is the Windows keyboard shortcut to move from one loaded application to another? To display the Start menu from the Windows desktop? To close the active application window? To shutdown Windows when no applications are loaded? THINKING CRITICALLY 1. Is a mouse more likely to be controlled by a device driver or by system BIOS? 2. Name one device that is likely to be controlled by system BIOS. 3. If your printer is giving you trouble, what is the best way to obtain an update for the device driver? 4. What Windows tool can you use to know how much RAM is installed on your system? 5. Why is 16-bit Windows software considered to be legacy software?