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I am confused of all that different Quantum computers.

please correct me if I say something wrong.

There are two main different types of quantum computing:

  1. Quantum Gates based computing
  2. quantum annealing

For quantum gate based computing, I know that there are different kind of architectures -- that's clear for me.

But why I am so confused is, there is the Quantum Annealing, which is used by D-Wave Systems and that Q. annealer is using the adiabatic theorem , right ?

So then we can say that Adiabatic Quantum Annealer = Quantum Annealer ?

The next confusing term is Adiabatic Quantum Computer , is that Adiabatic Quantum Annealer?

And the last is what is Quantum Simulator ? Where is that used ? which type of quantum computing are that simulated? And is there a difference between them and quantum annealing ?

Too many questions :/

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    $\begingroup$ Check out this question and it's excellent set of answers by user Niel de Beaudrap $\endgroup$
    – JSdJ
    Feb 12 at 12:51
  • $\begingroup$ Also note that many would argue that the measurement based model of quantum computation is different from the gate based model. $\endgroup$
    – JSdJ
    Feb 12 at 12:52
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    $\begingroup$ Wow :) Thank you. its excellent $\endgroup$
    – Jeff24
    Feb 12 at 12:53