A Quantum Computer is a calculation mechanism that makes guide utilize of quantum mechanical phenomena, for example superposition and snare, to perform operations on information. Quantum workstations are diverse from computerized PCs dependent upon transistors. Though computerized workstations need information to be encoded into parallel digits (bits), quantum reckoning utilizes quantum lands to stand for information and perform operations on these data. A speculative model is the quantum Turing machine, additionally reputed to be the universal quantum machine. Quantum workstations share speculative similitude to non-deterministic and probabilistic workstations, for example the fitness to be in more than one state synchronously. The field of quantum processing was first presented by Richard Feynman in 1982. A quantum PC with twists as quantum bits was additionally detailed for utilization as a quantum space-time in 1969.