| 主权项 |
1. A tablet computer comprising:
a housing having an opening and an accommodating trough inwardly recessed from the opening, a sidewall of the accommodating trough having a groove, the groove having an inlet section and an engaging section, the inlet section being communicated between the opening and the engaging section, wherein widths of the inlet section are larger than widths of the engaging section; a cover pivotally connected to the housing so as to rotate between a covering position and an extended position relative to the housing, the cover covering the opening when rotated to the covering position, and supporting the housing in a standing position when rotated to the extended position; and a keyboard detachably accommodated in the accommodating trough and comprising at least one engaging structure, wherein the engaging structure is located at the peripheral edge of the keyboard and engaged with the engaging section, wherein a portion of the bottom of the accommodating trough that corresponds to the engaging section is parallel to the keyboard, and a portion of the bottom of the accommodating trough that corresponds to the inlet section is curved toward the opening along a direction away from the engaging section. |
