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Will Quantum Computer replace Classical computer?


I would like to start this topic with 2 facts:

1.Classical computer have enabled amazing things. Like the internet, communication and many more.

2.But There are still problems that we can’t solve.

Classical computer fundamentally works on Binary bits i.e. 0’s and 1’s. Major drawback of classical computer in some field is that it checks one instruction at a time. And in some high-level mathematical problems checking 1 instruction at a time can take thousands of years to complete the problem because of less computational power.
Here to overcome this problem companies like IBM Google Intel Microsoft and many more are developing the new type of computer called quantum computer in which they have some what had successful. Even Government of India is making effort to develop Quantum Computer. In the Budget  2020 Government of India has allocated 8000 crore for the application of Quantum Computer.

So, what is Quantum Computer?

Quantum computer are those computers which use quantum physic such as superposition and entanglement to perform computation.

Quantum computer fundamentally works on Qubit i.e. it can be 0’s or 1’s or mixer of both. This property comes under superposition which will be cover in next blog.

To understand the basic working of Quantum computer. Let’s take an example where we will compare classical and quantum computer.

We make both computers play a game were the object have to find a path to get from location A to B.

What classical computer will check every path one by one until it gets the correct path. 


Now on the same hand Quantum computer will go to every possible path at a same time i.e. work parallel and find the path.

 This happen because of the properties of qubit. In depth details about the working of the quantum computer is in next blog.

Will Quantum Computer replace Classical Computer?

No, Quantum computer can’t replace classical computer because many factors.
1.      Quantum computer are designed to do complex task with ease, they are not meant to be use in regular basis.
2.      To run this type computer the temperature is to be maintain absolute zero which colder than space.

     




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