US D631048 S1
The ornamental design for a computer keyboard, as shown and described.
FIG. 1 is a top view of the computer keyboard of our new design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a perspective right side view thereof; and,
FIG. 6 is a perspective left side view thereof.