• Quantum Computing Concepts – What will a quantum computer do?
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    Quantum Computing Concepts – What will a quantum computer do?

    If we had a large quantum computer, what would we do with it? In principle, a universal quantum computer can perform any logic operation but the real advantage of using quantum computers comes only if we can find an algorithm that uses the exponentially large amount of information that can be stored in the quantum states to arrive at the solution in a smaller number of steps. We have seen the example of the quantum search algorithm which can find an item in an unsorted database using a number of steps that is only the square root of the number of items. Another famous application is the prime factoring of…