21.
Which of the following key is used to move the pointer from one pane to next pane?

22.
In a folder, which of the following key is used to rename the file or folder

23.
A character that represents one or more unknown character is

24.
Which of the following file format supports in Windows 7?

25.
Anything you cut or copy on to the clipboard remains there until you

26.
Multi programming systems ......

27.
Netscape navigator is a

28.
To print documents from Windows

29.
Which of the following appear in Windows menu bar?

30.
The operating system allows the user to organize the computer's contents in a hierarchical structure of directories that include all of the following except:

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