The ornamental design for a computer, as shown and described.
FIG. 1 is a front view of a computer, showing our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof; and,
FIG. 7 is a top, front and right side perspective view thereof.
The features in the interior of the computer box seen through the square, circular and hexagonal openings are shown in solid lines for clarity of illustration, and form no part of the claimed design.
Processing and alarm circuitries each having different power supply unit(s) requirement and powering the respective device when the corresponding requirements is met