Off line dating
Another example of the use of these concepts is digital audio technology.A tape recorder, digital audio editor, or other device that is online is one whose clock is under the control of the clock of a synchronization master device.Formal style requires I borrowed it from (not off) my brother.
When a large number of devices are connected to a sync master it is often convenient, if one wants to hear just the output of one single device, to take it offline because, if the device is played back online, all synchronized devices have to locate the playback point and wait for each other device to be in synchronization.
A third example of a common use of these concepts is a web browser that can be instructed to be in either online or offline states.
That is, the computer itself may be online—connected to Internet via a cable modem or other means—while Outlook is kept offline by the user, so that it makes no attempt to send or to receive messages.
Similarly, a computer may be configured to employ a dial-up connection on demand (as when an application such as Outlook attempts to make connection to a server), but the user may not wish for Outlook to trigger that call whenever it is configured to check for mail.
This can be useful when the computer is offline and connection to the Internet is impossible or undesirable.