Some Mathematical Fun

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Protect your PC from Virus

Many of our PC/laptop normally gets virus because of Pen Drives or USB devices (Even PC's who are not connected to network). Some Virus like Ravmon Virus, Heap41a worm which are not detected by anti virus normally spreads mostly by the Pen Drives. In such a case what can you do to prevent your PC from getting infected with Virus that spreads through USB devices or Pen Drives?

You can protect your PC by just following the simple steps below. It won't take much time.

• Connect your Pen Driver USB drive to your computer.
• Now a dialogue window will pop up asking you to choose among the options as shown
in the figure
• Don't choose any of them, just simply click Cancel.

** Now go to Start--> Run and type cmd to open the Command Prompt window..
** Now go to My Computer and Check the Drive letter of your USB drive or Pen Drive.
( E.g. If it is written Kingston(I:) , then I: will be the drive letter ..)
** In the Command Window (cmd), type the drive letter: and Hit Enter.
** Now type dir/w/o/a/p and Hit Enter.
** you will get a list of files. In the list, search if anyone of the following do exist.

1. Autorun.inf
2. New Folder.exe
3. Bha.vbs
4. Iexplore.vbs
5. Info.exe
6. New_Folder.exe
7. Ravmon.exe
8.RVHost.exe or any other files with .exe Extension.

If you find any one of the files above,
Run the command attrib -h -r -s -a *.* and Hit Enter.
Now delete each File using the following Command del filename
(E.g. del autorun.inf).

That's it. Now just scan your USB drive with the antivirus you have to ensure that you made your Pen Drive free of Virus.

India National Anthem

Blu-ray Disc

Blu-ray, also known as Blu-ray Disc (BD), is the name of a next-generation optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world's leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. This extra capacity combined with the use of advanced video and audio codecs will offer consumers an unprecedented HD experience. Recent development by Pioneer has pushed the storage capacity to 500GB on a single disc by using 20 layers.

While current optical disc technologies such as DVD, DVD±R, DVD±RW, and DVD-RAM rely on a red laser to read and write data, the new format uses a blue-violet laser instead, hence the name Blu-ray. Despite the different type of lasers used, Blu-ray products can easily be made backwards compatible with CDs and DVDs through the use of a BD/DVD/CD compatible optical pickup unit. The benefit of using a blue-violet laser (405nm) is that it has a shorter wavelength than a red laser (650nm), which makes it possible to focus the laser spot with even greater precision. This allows data to be packed more tightly and stored in less space, so it's possible to fit more data on the disc even though it's the same size as a CD/DVD. This together with the change of numerical aperture to 0.85 is what enables Blu-ray Discs to hold 25GB/50GB.

Blu-ray is currently supported by about 200 of the world's leading consumer electronics, personal computer, recording media, video game and music companies. The format also has support from all Hollywood studios and countless smaller studios as a successor to today's DVD format. Many studios have also announced that they will begin releasing new feature films on Blu-ray Disc day-and-date with DVD, as well as a continuous slate of catalog titles every month. For more information about Blu-ray movies, check out our Blu-ray movies and Blu-ray reviews section which offers information about new and upcoming Blu-ray releases, as well as what movies are currently available in the Blu-ray format.

Always Be Positive

If you think you have huge tension, look at them



If you think your salary is low, how about her



If you complaint about your transport system, how about them



If you think your job is tough, how about him



when you feel like giving up, think of this man



If you think you suffer in life, do you suffer as much as he does



If you think study is burden, how about her



If your society is unfair to you, how about her



If you think you don't have many friends,
ask yourself if you have one sincere friend



BE POSITIVE