Portable computer with keyboard and having display with coordinate input tablet rotatably mounted to face either toward or away from keyboard when closed over keyboard

A computer comprising:

• a main body unit having a keyboard;
• a display/input device having front and back surfaces, and including a display and a coordinate input tablet said display and said coordinate input tablet being overlapped, so as to form an integrated unit, and attached to the front surface of the display/input device;
• a support frame supporting said display/input device;
• a first hinge mechanism unit pivotally coupling said support frame to said main body unit, the first hinge mechanism for permitting the support frame to pivot between a closed position wherein said support frame and the display/input device overlay said keyboard, and an open position, wherein said support frame and the display/input device are angularly displaced from said keyboard;
• and
• a second hinge mechanism unit rotatably coupling said display/input device to said support frame, the input/display device being rotatable between a first position, wherein said front surface faces said keyboard when the support frame and the display/input device are in the closed position, and a second position, wherein said back surface faces said keyboard such that data can be input by means of said display/input device instead of said keyboard when the support frame and the display/input device are in the closed position.