active bar
principle refers to the basic objective of something. Operation refers to how it operates.
to navigate to a different folder without closing the current folder window
Just go to the Tools>Folder Options which is present in the menu bar Then after going to Folder Options. Immediately u can see the 'Tasks' part of the Folder Options window. Then in it click the radio button 'Show common tasks in folder'. Then immediately u will see the missed left side bar.....
The contents of the folder are also deleted. Usually your computer will ask you to confirm the operation If you do delete a whole folder. It can be easily retrieved from the Trash Bin. Or recycling folder
address bar
A plus sign to the left of a folder in Windows Explorer indicates that the folder is: a Parent folder containing Subfolders within.
Bar operation refers to the operating within a bar business. It involves everything from creating the menu to making the drinks, etc.
Address
Bernoulli's principle. The above answer is wrong. Its Pascal's Principle :)
Give a brief idea of principle of hysteresis motor,application.
If you are running a Windows operating system, in the Windows folder on your C:\ drive, in the Fonts folder are the fonts that are installed. If you browse to the folder in a Windows Explorer and show the Status bar (under the View menu) when you select the Fonts folder the number of fonts will appear in the status bar.