Nanotechnology is the flair to understand degree, operate and construct substances on the nanometre scale, the scale of atoms and molecules. Nanotechnology is concerned in many medical and sensible applications, along with health, agriculture, digital gadgets, PC technology and lots of different fields. At the identical time, computer systems play a critical function in simulating and reading the capabilities of nanoparticles. The shrinking of digital gadgets in due path will come to end, whilst the legal guidelines of physics keep away from us from in addition diminishing the scale of circuits. At any given time, the researchers will now no longer be capable of keep on with the cutting-edge silicon processors, binaries and sequential. One of the maximum sensible methods is to assemble computer systems running with radical difference: The quantum mechanics. The look of quantum computer systems will encompass a radical extrade within side the hardware and software program that we now understand however will allow one to carry out calculations which are unconceivable nowadays. Memory is hired as one of the major fragments in numerous circuits layout, consequently the layout and optimization of Random get Admission to Memory (RAM) cells have grown to be one of the best awesome research areas in Quantum dot Cellular Automata (QCA) equipment.