EX: A BIOS is a file used to make an emulator work properly. <span>A ROM is a copy of a game downloadable online.</span>
Using e-mail to send messages is the best choice to convey urgent and highly sensitive information. E-mail is just a conversation between you and the recipient. So it is the best when it comes to when you are sending a highly sensitive information. While telephone fax letter and dispatch radio may need to use a mediator to transfer messages which violates the confidentiality of the information.
send attached file with it
A firewall determines what external network traffic(internet) should or should not be allowed to pass internal network(computer). A firewall is network security that protects software and hardware from untrusted sites that may have viruses, worms, and bugs that are detrimental to the computer.
