Blaster Worm., the worm has been designed to tunnel into your system and allow malicious users to control your computer remotely. A Trojan horse is not a virus. It is a destructive program that looks as a genuine application. Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive.
the answer is Headers should be descriptive of the cell content, The font size should be at least 18-point. hope this helps!!!
The answer is BCD; The BCD format is usually used to store data