Last reviewed on RxList 4/29/2015. Decadron (dexamethasone) is a corticosteroid, similar to a natural hormone produced by the adrenal glands, used to treat arthritis, skin, blood, kidney, eye, thyroid, intestinal disorders, severe allergies, and asthma. Decadron is also used to treat certain types of cancer and occasionally, cerebral edema.
Hacking is the gaining of access(wanted or unwanted) to a computer and viewing, copying, or creating data(leaving a trace) without the intention of destroying data or maliciously harming the computer.
Virus is the programming file.... A computer virus is a program that runs on your computer doing things you would not want it to do. Typically, this will involve doing dama â¦ ge to your hard drive, or sending mail without your permission. A virus gets on to your computer usually when you connect to the Internet. computer virus is a computer program that can copy itself  and infect a computer. The term virus is also commonly but  erroneously used to refer to other types of malwar â¦ e, including but  not limited to adware and spyware programs that do not have the  reproductive ability.