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  • Writer's pictureElven Dawood

What are QUANTUM Computers?

Computers help ease the workload on humans. With computers, humans are more productive as it speeds up their working rate and ensures mass productivity. However, some tasks are too complicated for the common, conventional computers.


These issues are the primary drivers behind the development of quantum computers. Compared to conventional computers that have been in use for more than 50 years, these devices are very different. With the help of the laws of quantum mechanics and quantum computing, problems that are too difficult for conventional computers to handle are solved.


So what are quantum computers? Dive in to find answers.


What are Quantum Computers?

Quantum computers operate according to the concepts of quantum theory. A quantum computer does not store data in bits. Instead, it uses something called qubits.

Because qubits use subatomic particles like electrons or photons, these particles can exist in both the states of 1 and 0.



A set of superconducting qubits are used in quantum computers, which have a simpler structure without any memory or processors. It uses qubits to execute multidimensional quantum algorithms, and each addition of qubits increases its processing power exponentially.


Quantum computing uses the peculiar properties of quantum physics, like superposition, entanglement, and quantum interference. They enable quantum computers to perform operations at speeds that are exponentially faster than those of conventional computers while using a great deal less energy.


1. Superposition

All of the qubit's potential configurations are combined in a process known as superposition. With qubit groups in superposition, complex, multidimensional computational environments are simplified. These areas allow for novel representations of complex issues.


2. Entanglement

The power of quantum computing depends on entanglement. So whenever two qubits are entangled, they get into a single state, and any change to one will have a predictable effect on the other.


3. Quantum Interference

Quantum interference is a result of qubit decay, which is immediately upset by vibrations or temperature changes. This may result in qubits losing their superposition and resulting in computational mistakes.


How Fast Is a Quantum Computer?

A quantum computer operates much more quickly than a supercomputer or a traditional computer. The Google-built Sycamore quantum computer reportedly completed a calculation in 200 seconds as opposed to the time it would have taken IBM's Summit to complete the same task.


Building a quantum computer is time- and money-consuming, but once it is operational, the effort is valuable.


The Need for Quantum Computers: Why?

Complexity is frequently to blame for the failure of traditional computers. Complex problems are those that involve numerous variables interacting in intricate ways. Due to the simultaneous interactions of all the different electrons in a molecule, modeling the behavior of individual atoms is challenging. Quantum computers make this process easy.


Conclusion

In this post, you learned that a quantum computer is a special kind of computer that uses quantum mechanics. Using these elements makes it possible to solve complicated tasks faster.


The ability of quantum computers to handle the complexity and ambiguity of systems that would subjugate classical computers makes them particularly effective for modeling other quantum systems.




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