Arithmetic and control unit

Description

FIG. 1 is a perspective view of a first embodiment of an arithmetic and control unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of a second embodiment of an arithmetic and control unit showing my new design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a top plan view thereof; and

FIG. 14 is a bottom plan view thereof.

FIG. 15 is a perspective view of a third embodiment of an arithmetic and control unit showing my new design;

FIG. 16 is a front elevational view thereof;

FIG. 17 is a rear elevation view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a right side elevational view thereof;

FIG. 20 is a top plan view thereof; and,

FIG. 21 is a bottom plan view thereof.

The broken lines represent various portions of the design and form no part of the claim. The dot-dash broken lines represent the boundaries of the design. None of the broken lines form any part of the claimed design.

Claims

The ornamental design for an arithmetic and control unit, as shown and described.