Pauli gates (X,Y,Z) Square root of NOT gate (√NOT) In classical computer we, use the classical gates, Basic gate(NOT, AND, OR), Universal gate(NAND, NOR) and Special gates(X-OR,X-NOR) But in case of quantum computer we use the different gate called quantum gates: Note: (Most powerful and interesting algorithm are Shor’s and Grover) * Companies who are racing in quantum computing: Quantum computers could speed up the learning process of AI, reducing thousands of years of learning to mere seconds, also it helps in field of medical to make the complex structure of medicines like HIV, Cancer etc.

They are expected to reduce power consumption from 1000 to 10000 times. Quantum computing are more power efficient than modern computing through the use of quantum tunnelling. Quantum bits follows the phenomenon of quantum physics like super-position, quantum entanglement et cetera. As we know classical computer stores the data in form of bits, but quantum computer stores the information in form of quantum-bits. Quantum Computer are very powerful, they can be used in certain specific purpose only, because of it’s sensitiveness. Quantum Computing is latest computing technique based upon the quantum physics, Quantum computing began in 1980 when physicist Paul Benioff proposed a quantum mechanical model of the Turing machine. Richard Feynman and Yuri Manin later suggested that a quantum computer had the potential to simulate things a classical computer could not feasibly do.

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