A foolish computer has a host, a keyboard, a display and a mouse. A CPU and hard disks are posit in the host and the host also has a microphone there on. 1/0 interfaces of the host are connected to the keyboard, the display and the mouse respectively. The host also includes an operating system, chip, and the chip together with the CPU forms an integrated CPU. The keyboard has additional function keys (especial function keys) and memory keys. There have more than one displays, with each is connected to the host via the interface respectively. The mouse is a fixed mouse type and is composed of a main mouse and assistant keys. The main mouse comprises a left key, a right key, a lower key and a ring key. The ring key surrounds other keys. Assistant keys are made up of several single keys and have the function of adjusting the main mouse. Hard disks are composed of main disk and accessory disk whose data lines are linked to the conversion switch in series. The operating system of the present utility model is hardening, so that it is prevented from virus. The computer with multifunction and with more convenience is realized with multi displays, multifunction keyboard and new mouse.
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