31. 
Despite a GUI’s convenient features that makes it easy to issue commands using the mouse, it is still necessary to use a(n) ____________________ for many programs.
 
 
 
 
32. 
A trackball is a(n) ____________________ device.
 
 
 
 
33. 
In the Windows environment, the Close option is located under the ____________________ menu.
 
 
 
 
34. 
When you maximize a window, the Maximize button becomes the ____________________ button.
 
 
 
 
35. 
You can select a group of nonadjacent files by clicking the first file, holding down the ____________________ key, and then clicking the remaining files.
 
 
 
 
36. 
After you install new software, you often need to ____________________ the computer.
 
 
 
 
37. 
The ____________________ is a computer representation of how people work that contains windows and icons.
 
 
 
 
38. 
One way to execute a command is by clicking an option in a drop-down ____________________.
 
 
 
 
39. 
The _________________________ table on a floppy disk logs information about each track on the disk.
 
 
 
 
40. 
To install new software, start the ____________________ file and follow the instructions in the Wizard.