The benefit is that a long document does not need to be re-typed, saving considerable time. Offline Used generally to describe the state of a computer not currently connected to the Internet. The obvious benefit of working offline is the saving in communication costs, ie lower phone bills. Originally, offline described a computer terminal that was not currently connected to the main computer system on which it depended. Online Used generally to describe the state of a computer connected to the Internet.
Users can browse the Internet or send and receive email when online.
Originally online described the state of a computer terminal that was currently connected to the main computer system on which it depended. Optical storage Optical devices use lasers to store and retrieve information in digital format on a range of media, including CDs and erasable optical disks. Compared with magnetic tape, optical storage devices can store large amounts of data in a very compact form.