Arithmetic and control unit

Abstract

Description

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

FIG. 2 is a top, right, rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is bottom plan view thereof; and

FIG. 9 is a left side elevational view thereof wherein the disc tray portion is in the open position, the disc tray portion in broken lines is for illustrative purposes only and forms no part of the claimed design;

FIG. 10 is a front elevational view of a second embodiment of an arithmetic and control unit showing my new design;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a left side elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is bottom plan view thereof; and

FIG. 16 is a left side elevational view thereof wherein the disc tray portion is in the open position, the disc tray portion in broken lines is for illustrative purposes only and forms no part of the claimed design;

FIG. 17 is a front elevational view of a third embodiment of an arithmetic and control unit showing my new design;

FIG. 18 is a rear elevational view thereof;

FIG. 19 is a right side elevational view thereof;

FIG. 20 is a left side elevational view thereof;

FIG. 21 is a top plan view thereof;

FIG. 22 is bottom plan view thereof; and,

FIG. 23 is another left side elevational view thereof wherein the disc tray portion is in the open position, the disc tray portion in broken lines is for illustrative purposes only and forms no part of the claimed design.

Claims

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