FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Typically, computer viruses spread through malicious online downloads, infected email attachments, or by plugging in infected hardware like an external flash drive (USB stick). Computer viruses can spread through almost any method of file sharing, as long as the virus can avoid detection by antivirus programs.

Detailed explanation-2: -solution: option (b) Malware can only spread through the Internet is the correct answer.

Detailed explanation-3: -A computer virus works in much the same way: A computer virus requires a host program. A computer virus requires user action to transmit from one system to another. A computer virus attaches bits of its own malicious code to other files or replaces files outright with copies of itself.

Detailed explanation-4: -Some computer viruses are programmed to harm your computer by damaging programs, deleting files, or reformatting the hard drive. Others simply replicate themselves or flood a network with traffic, making it impossible to perform any internet activity.