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Working of Quantum Computer


As we know how Quantum computer are different from classical computer and they can't replace classical computer.
If haven't seen that blog. I recommend you to watch it before reading this blog for better understanding.Click Here

Quantum computer works on mainly three principle:
1.      Superposition.
2.      Entanglement.
3.      Interference.

1.Superposition: Superposition is one of the fundamental principles of Quantum Mechanic. It is a phenomenon were all possible configuration state are present during the process at the same time.

For Example: if I enter A & B as 2 bits input all possible state come under superposition i.e. 00,01,10,11.

2.Entanglement: The word tangle suggests that its connected. According to the principle of quantum mechanics entangle is the property in which two objects are connect with each other. As result if one object changes its value then automatically second object value gets change.

3.Interference: The process in which two or more wave of the same frequency combine to reinforce or cancel each other.

How it works?

When instruction is entered into the quantum computer qubit goes into superposition state where they can form all possible configuration, now by using the property of interference we control the quantum state and amplify the signal that are towards the right answer and cancel the type of signal that are leading to wrong answer. This is how Quantum computers uses the properties of quantum physics.    

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