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Viruses And Worms

Now a days many of us come to know about the viruses while working on while surfing through the internet. There is something like misunderstanding in the people that there are only viruses. There is also a term called worms .  There is the difference between the viruses and worms. Many people think that both the virus and worms are same. NO they are not the same. There is only one similarity between them is that they are the lines of code which are generated to infect the systems. Viruses are the self replicating program that produces its own codes by attaching copies of itself into another executable codes. Some virus affect computers as soon as their code is executed; others viruses lie dormant until a pre determined logical circumstance is met. Worm is a malicious program that can infect both local and remote machines. Worms spread automatically by infecting system after system in a network, and even spreading further to other networks. According to their actions worms are