Please explain the differences among Trojan Horse, Computer Virus, and Worm. Which types of viruses include techniques specifically designed to evade detection?

Difference between  a computer virus ,  a worm and trojan horse

Computer virus -  a computer virus attaches itself to a program or a file so it spread from one computer to another computer while we are transferring files from one computer to another and it much like as human virus it also leave infection there are several type of computer viruses  some viruses cause only mildly annoying effects while some virus can damage your hardware , software or files  almost all viruses are attached to an executable file  which means the virus may exist on your computer but it can not infect your computer unless you run or open the malicious program and these virus  can not be spread without human actions  these type of virus mostly spread by sharing infecting files or sending e-mails with viruses as attachments in the e-mail.