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account or data after you have finished your session. When you log out, you terminate your current user session,
and access to the system or application is restricted until you log in again.
The steps involved in logout in Windows will be:
• Press Alt + F4 to bring up the "Shut Down Windows" dialog box.
• From the drop-down menu, choose "Sign out" and click "OK".
• Windows will log you out and you'll be returned to the sign-in screen.
Shutting Down the Computer
After we are done with our work and we are in no need to use a computer, it is always advisable to do proper
shutdown of the system. Shutting down a computer means sending all the operating system files back to the hard
disk and saving all the work into a proper secondary storage device followed by switching off the power supply to
all the important components of the computer.
The steps to shut down a computer are:
Step 1 Click on Start button. The Start menu appears.
Step 2 Click on Power button and select Shut down option.
OR
Step 1 Press Ctrl+Alt+Delete.
Step 2 Select the power button in the bottom-right corner of the screen.
Step 3 Select the Shut down option.
OR
Step 1 On the desktop, press Alt + F4 keys. It will display the Shut Down Windows dialog box.
Step 2 Select the Shut down option.
Using Keyboard
A keyboard is an input device used to type text, numbers and commands into the computer.
Function Keys Command Keys Navigation Keys
Control Numeric
Keys Keypad
Windows Key Punctuation Keys Navigation Keys
Function Keys
Keys labelled from F1 to F12 are function keys. These are set of keys on a computer keyboard that perform specific
functions within software applications and the operating system. Their functions differ from program to program.
For example: F1key in most programs is to get help on that program.
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