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It is intensely acknowledged that the key handing out unit of any device competent of carrying out computations is the CPU (Central Processing Unit) and one of the most elementary and central parts of CPU is an ALU (Arithmetic and Logical Unit). The ALU is primarily responsible for carrying out the logical operation, arithmetic operations etc. The proposed full adder has low power consumption and better area efficiency. Post layout simulations using the Mentor graphics tool have been evaluated. The circuits proposed are extremely optimize in terms of transitor switching power and latency, due to small load capacitance and low dissipation of short circuit electricity. Each of the suggested and simulated circuits has its own benefits of speed, power Dissipation, Power Delay Product (PDP), and driving capability. The circuits proposed are studied in terms of voltage input and threshold voltage variations, output load variations, signal to ratio with respect to transistor scaling.

ABSTRACT:This project is to Build and interface a real time wheeled mobile robot or a drone where camera and an arm is installed in it . Controlling and monitoring of robot is done using internet even if it is in the isolated place. Software system can be built in three various programming languages and controlled via the internet using webpage protected with a username and password to make sure it cannot be hacked and can access through the internet by any web browser such as Mozilla Firefox. The mobile robot system is used to transfer foreign objects and access to areas that are unable to be accessed by humans .The development of this robot is based on Arduino Mega platform which will be interfaced with the microcomputer that is placed on the robot running as a server.