What is the keyboard shortcut to lock the computer?

What is the appropriate command to repair errors and bad sectors on the system drive

How do you add a gadget to your Windows Sidebar if the gadget is not on the list of available gadgets?

What is the shortcut key for showing the display on a projector?

How can you view all the programs installed on your PC?

What is the best option for saving time when you are going away from your PC for a short break and want to come back without much delay?

What is the name of the antivirus suite included in Windows 7 by default?

How do you connect a computer that runs Windows 7 to a network projector?

What is the purpose of Audit Mode in Windows 7?

What is the run command to get to the Local Security Policy?

How do you back up the existing data on a computer while ensuring you are able to recover individual user files that are replaced or deleted during the backup process?