Abstract: An information processing apparatus such as a personal computer or a word processor is disclosed. A main unit includes at least a processing unit for processing input data, and a main unit memory connected to the processing unit. A display device is attachable to and detachable from the main unit case and includes at least a display device memory for storing data of the main unit supplied through a connector to be connected to a main unit connector when attached, a display for displaying the stored content, a control unit for controlling the display, a pair of speakers, and a power supply for supplying powers to the display device memory, the display device and the control means when detached.

Abstract: There is disclosed an electronic information apparatus comprising an apparatus body; display provided to the apparatus body for displaying a data on a screen thereof and a key board having plural input keys and provided at a front side on an upper surface of the apparatus body, the plural input keys being divided into two groups, the groups being spaced with each other, the plural input keys of each group being arranged in plural rows, row arrangement directions of the groups acrossing each other with a predetermined angle, and the group being arranged as to be substantially symmetrical with respect to a center line extending from a front end of the key board to a back end of the key board.

Abstract: There is disclosed an electronic information apparatus comprising an appratus body; display provided to the apparatus body for displaying a data on a screen thereof and a key board having plural input keys and provided at a front side on an upper surface of the apparatus body, the plural input keys being divided into two groups, the groups being spaced with each other, the plural input keys of each group being arranged in plural rows, row arrangement directions of the groups acrossing each other with a predetermined angle, and the group being arranged as to be substatially symmetrical with respect to a center line extending from a front end of the key board to a back end of the key board.

Abstract: An information processing apparatus such as a personal computer or a word processor is disclosed. A main unit includes at least processing means for processing input data, and main unit memory means connected to the processing means. A display device is attachable to and detachable from the main unit case and includes at least display device memory means for storing data of the main unit supplied through a connector to be connected to a main unit connector when attached, display means for displaying the stored content, control means for controlling the display and power supply means for supplying powers to the display device memory means, the display device and the control means when detached.

Abstract: An information processing apparatus such as a personal computer or a word processor is disclosed. A main unit includes at least processing means for processing input data, and main unit memory means connected to the processing means. A display device is attachable to and detachable from the main unit case and includes at least display device memory means for storing data of the main unit supplied through a connector to be connected to a main unit connector when attached, display means for displaying the stored content, control means for controlling the display and power supply means for supplying powers to the display device memory means, the display device and the control means when detached.