Technology behind LCD

LCD(Liquid crystal display) is a technology which is now fast being used in the monitors for the desktop PC's and already being used in the laptops. LCD consist of a thin liquid crystal gel sandwiched between two thin polarized materials. This gel is divided into small dots called as pixels. In order to darken a pixel the pixel is polarized 90 degrees to the polarizing screen. For a bright pixel the polarization is 0 degrees.

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Cleaning an LCD TV
Free LCD TV

Scheduling a computer for shut down

The computer is downloading a heavy file, and you are getting late for the work. If this is the situation we certainly have to schedule the computer to shut down after some time. Here, the Task Scheduler( you can find it under Start>Programs>Accessories>SystemTools ) comes in handy.
To shut down the system at a specific time

• Open Task Scheduler and double click Add Scheduled Tasks

• A wizard opens, click next. You will be presented with a list of programs you can schedule to run.
• Click on browse, locate the %SystemRoot%\System32 folder. Then find the file named Shutdown.exe and click open.
• Specify a name for the task and when do you want the task to run. Click next.
• Specify the starting date and time and click next.
• Then you will be prompted to enter the user name and password. Supply the information and click finish.

• Now you are done with the process of scheduling the computer to shut down and can go to your work without worrying about terminating the download.

You can also visit the Task scheduler log in case you want to see the performance of the task scheduler.