| 摘要 |
An input control system consists of one or more input devices 2, connected to a switch or interrupter 1, which is connected to the motherboard of a computing unit 3, so that the switch or interrupter 1 can open or close the connection between the input devices 2 and the motherboard encased in the computing unit 3. When the connection is closed the system allows a user to use the computer, through its input devices 2, otherwise the input devices 2 will not function. A switching device 4 (such as a timer, and/or a key lock, or any other) may switch on or off the switch or interrupter 1. The switching device may additionally or alternatively also be coin-activated 5.
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