The ornamental design for a computer, as shown and described.
FIG. 1 is a top, front, left-side perspective view of a computer in accordance with my new design;
FIG. 2 is a front elevational view of the computer shown in FIG. 1;
FIG. 3 is a rear elevational view of the computer shown in FIG. 1;
FIG. 4 is a right-side elevational view of the computer shown in FIG. 1;
FIG. 5 is a left-side elevational view of the computer shown in FIG. 1;
FIG. 6 is a top plan view of the computer shown in FIG. 1; and,
FIG. 7 is a bottom plan view of the computer shown in FIG. 1.
The dash-dash broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other dash-dash broken lines are directed to environment and are for illustrative purposes only; the dash-dash broken lines form no part of the claimed design. The computer is shown with a dash dot dash broken line illustrating a symbolic break in length. The break lines and the appearance of any portion of the article between the break lines form no part of the claimed design