The present invention provides a system with a separate computing unit, comprising: a sensing device comprising a power supply unit, a sensing unit configured to sense a users physiological information, and a first wireless communication unit via which the physiological information that has not yet undergone the computing and processing operations is transmitted externally, the power supply unit electrically connecting and supplying power to the sensing unit and the first wireless communication unit and a primary computing device comprising a computing unit, a display unit, and a second wireless communication unit, the second wireless communication unit receiving and transmitting the physiological information to the computing unit to undergo the computing operation and informing the user of a result of the computing operation via the display unit wherein the sensing device transmits, via the first wireless communication unit, a wireless signal to the primary computing device according to a preset criterion.
