Off line dating

22-Oct-2015 13:40 posted by maria1479 | Leave a comment

The terms "online" and "offline" have specific meanings in regard to computer technology and telecommunications in which "online" indicates a state of connectivity, while "offline" indicates a disconnected state.

They are states or conditions of a "device or equipment" or of a "functional unit".The online context is given to other words by the prefixes "cyber" and "e", as in the words "cyberspace", "cybercrime", "email", and "ecommerce".During the 19th century, the term "on line" was commonly used in both the railroad and telegraph industries.For railroads, a signal box would send a messages down the line (track), via a telegraph line (cable), indicating the track's status: "Train on line" or "Line clear".One example of a common use of these concepts with email is a mail user agent (MUA) that can be instructed to be in either online or offline states. When online it will attempt to connect to mail servers (to check for new mail at regular intervals, for example), and when offline it will not attempt to make any such connection.To be considered online, one of the following may apply to a system: it is under the direct control of another device; it is under the direct control of the system with which it is associated; or it is available for immediate use on demand by the system without human intervention.

In contrast, a device that is offline meets none of these criteria (e.g., its main power source is disconnected or turned off, or it is off-power).

The Oxford dictionary defines "online" (sometimes also referenced as "On the Line") as "controlled by or connected to a computer" and as an activity or service which is "available on or performed using the Internet or other computer network".

The term is utilized within terms such as these: "online identity", "online predator", "online gambling", "online shopping", "online banking", and "online learning".

The online or offline state of the MUA does not necessarily reflect the connection status between the computer on which it is running and the Internet.

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.

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