Its a software used to
detect and destory any
computer virus.
Antivirus
Spyware protection
Its a program which secretly records what you are
doing on your computer to find out passwords and
hack computer and get bank details. Spyware
protection helps prevent that.
Firewalls
This software prevents
unauthorised access to or from a
private computer.
Disk formatting
You wipe the storage device ( format it) to
get it ready for a new one
File transfer
It transmits files over the internet.
De-fragmentation
It maintains file systems, De-Fragmantation is when you
put part of hard drive back into the right place.