Which virus corrupts files and programs that are opened,closed,copied or renamed?

Computer viruses are small ____________ programs.

Worm is one of the common computer 

_____________ connects symantec anti virus automatically to a special symantec website.

Which type of scan is used to scans a file,drive or entire computer at any time?

Which type of virus affects the boot sector of a floppy or hard disk?

Which type of virus inserts unwanted text into documents and reduce the functionality of the computer?

Which virus is designed to delete the information contained in the files?

Which is used to scan the system memory and locations that virus and security risks commonly attack?

Which type of virus enters the computer through a network like internet while downloading or surfing various websites?