FIG. 1 is a top plan view showing our new design for a computer keyboard with the broken lines being shown for illustrtive purposes only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right-hand side elevational view thereof;

FIG. 6 is a left-hand side elevational view thereof;

FIG. 7 is a right-hand side elevational view of the keyboard raised at the front;

FIG. 8 is a right-hand side elevational view of the keyboard raised at the rear;

FIG. 9 is a raised front elevational view thereof; and,

FIG. 10 is a raised rear elevational view thereof.