How to make android faster?

One of the best way to make your android phone faster is by using an app called "NQ android booster"  you can search it in the play store. What it does is that it closes the applications make your faster and there will be no lag one important thing  you should  root your phone for this i  think  if you don't know rooting search it in Google .Also using a task killer along with it is good.

Linkin Park Castle of Glass

 one of linkin parks hit song 

click the below link to download 

CLICK ME

Here is a shot from castle of glass

what is a computer virus?

A virus is a program that replicates itself. It spreads by making copies of itself on a computer or by inserting computer code into program or operating system files. Viruses don't always damage files or computers, but they usually affect a computer's performance and stability. For a virus to infect a computer or to spread, you usually have to do something, such as open an infected e‑mail attachment.

How do i block virus?

Install an antivirus program. To be most effective, an antivirus program should always be turned on, should scan incoming e‑mail, and should scan file access. 

What is a firewall?

A firewall is software or hardware that checks information coming from the Internet or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings.

A firewall can help prevent hackers or malicious software (such as worms) from gaining access to your computer through a network or the Internet. A firewall can also help stop your computer from sending malicious software to other computers.

The following illustration shows how a firewall works.

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we can say that a firewall creates a barrier between the Internet and your computer