Online: In the payment and settlement system, the term may refer to the transfer instruction sent by the user through electronic means, such as the interface between computers or electronic terminals. The transfer instruction is logged into the transfer processing system through an automated way.The term can also refer to the data storage of the transfer processing system on the computer database, so that the user canInput/output deviceFor example, the terminal accesses data directly (often in real time).
It refers to the intercommunication of information between two or more computers, and now generally refers to all computers with communication andprocess informationAbility to communicate with each other between devices.
For example, a computer room can form a local areaOnline system, each computer can access each other.Pocket PCThe communication between smart phones and computers can also be called online.All in one cityPublic telephone booth, is also an online system.
Today's Internet is a huge online system that connects all working computers in the world.
The opposite of online is stand-alone, which means that a computer completes a task independently.
WhenPeripherals(such as terminal and printer) directly connected to the computer host, andcentral processing unitThe status of work under control is called online.When online, the terminal can send the information to the computer, and the printer can also print the information in the computer.
