[josefina j]

whats a firewall?

[sombody]

a wall in the computer..

[Male Kaleesh]

if you are talking about the computer fire wall it's a block up that block your pc from others. if you are talking about the fire wall the real fire wall it's a wall of fire or a wall on fire, best thing is never touch it you can get burn.

[Cool A]

It is an essential part of your computer and it blocks out things that are harmful to your computer

[A.J.L.]

A firewall protects networked computers from intentional hostile intrusion that could compromise confidentiality or result in data corruption or denial of service. It may be a hardware device or a software program running on a secure host computer. In either case, it must have at least two network interfaces, one for the network it is intended to protect, and one for the network it is exposed to.A firewall sits at the junction point or gateway between the two networks, usually a private network and a public network such as the Internet. The earliest firewalls were simply routers. The term firewall comes from the fact that by segmenting a network into different physical subnetworks, they limited the damage that could spread from one subnet to another just like firedoors or firewalls.

[Lou C]

blocks some viruses and worms that your computer may be susceptible to.