The ornamental design for a computerhousing, as shown and described.
FIG. 1 is a front, top, and left side perspective view of a computer
housing embodying my new design; and
FIG. 2 is a rear, top, and right side perspective view thereof.
The keys are partially shown on the keyboard for the ease of illustration,
it being understood that the omitted keys are identical in appearance to
the keys shown in the lower righthand corner of the keyboard.