online storage refers to a storage device that is always under a user's direct control, the only online storage device stated in the ipt syllabus under communications is a hard disk.
offline storage refers to a storage device that is not always under a user's direct control. It is eithersomething that is located somwhere else then a users computer or a peripheral device such as a cd dvd, usb, cartridge that must be plugged into the pc to be used
i no there are some incosistencies with this, but if u follow the definititons u will more then likely get the total marks since hsc markers give marks away for anything that can be comprehended on teh exam paper