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What is Quantum Computing? | Advantages and Disadvantage of Quantum Computing

Computer is a common thing is these days. Quantum Computing is a type of computer based on Quantum Mechanics. It can calculate and perform faster than simple computers. If you want to know more about Quantum Computing don’t miss this article.

What is quantum computing?

Quantum computers take advantage of the strange behavior of matter at the atomic level to perform tasks exponentially faster than any existing computer technology. In essence, they use a phenomenon called quantum entanglement to solve problems, and while the field is still young, scientists hope their technology could eventually lead to breakthroughs in artificial intelligence, cryptography, optimization, and even drug design.

How does a quantum computer work?

The basic idea behind quantum computers is rather simple — if we manipulate atoms at extremely small scales, we can actually affect reality in unexpected ways. For instance, we might be able to measure something about an atom’s position without disturbing its state (as classical physics would predict), or we might be able to simultaneously affect two separate atoms’ states (known as “entangling” them).

Why was quantum computing invented?

In recent years, scientists have been working to build quantum devices capable of complex calculations. At first, researchers thought these machines would simply replace classical ones, but now many believe that quantum computers will actually enable us to solve some computational challenges that classical computers can’t handle.

Where do quantum computers go from here?

Currently, quantum computers are largely theoretical constructs. But as engineers perfect the field, we may start seeing the fruits of their labor soon enough. Scientists are already beginning to implement prototypes, and in just a few short years, it’s possible we might witness commercial applications.

Advantages Of Quantum Computing

  • Faster than conventional computers Quantum computers have the potential to solve problems exponentially faster than their classical counterparts. As we become more dependent on technology, quantum computing could become a game changer in our lives. As of now, the only known example of a quantum computer would be a D-Wave machine. This device currently takes advantage of quantum mechanics, which predicts that subatomic particles exist simultaneously in two different places at once. The D-Wave works by using superconducting magnets to create artificial magnetic fields that allow these particles (known as qubits) to interact with each other. In theory, this is what makes a quantum computer work. However, the D-Wave does not actually use quantum physics to perform its calculations; instead, scientists believe that it uses some unknown physical phenomenon to get around the law of conservation of energy.
  • More powerful than traditional CPUs Classical computers rely on moving electrons inside transistors to represent binary numbers. A transistor is a switching device whose state can either turn on or off, thus controlling whether electricity flows between nodes. Transistors can handle much higher information flow than classical computers, but they still require a certain amount of power to function. If you want to switch a single transistor off and then back on again, you need to send enough current through it to make sure you flip it at least twice – otherwise, it won’t turn off properly. Imagine trying to do this with millions of transistors! That’s where quantum computers take over. Because they operate completely differently, they don’t experience the same sort of limitations. Instead, they exploit weird behaviors that occur when subatomic particles, called “qubits,” are entangled together. When a couple of qubits are entangled, they behave as if they were one huge qubit. And since these entanglements occur instantaneously, no matter how many times you try to measure them, they always give the same result. Because of this, they can easily store massive amounts of data without ever losing any information. That means quantum computers can solve complex math problems that are impossible for standard computers to crack. If you thought a laptop was good at crunching numbers, imagine getting a desktop version that’s even better…and it will soon be here.
  • Better than human intuition Most algorithms that people design today involve trial and error. You write code, run it, and hope that it works. Unfortunately, this approach often results in software that doesn’t scale well. While it’s possible for humans to learn programming languages and figure out solutions to problems on their own, computers can do things much quicker. A quantum computer would essentially be able to sift through all the possibilities before picking the best solution. Even though this sounds scary, quantum computers are already outperforming classical computers in certain tasks. So while machines may eventually replace us, we still have time to enjoy the fruits of their labor.

Disadvantages Of Quantum Computing

  • Not Realistic The problem with quantum computing is that we cannot realistically implement it at home. We need a supercomputer to do something similar to what’s already happening inside our brains. However, I have heard many people say that they believe quantum computers will become a reality in just 10 years. So if you want to get started now, then you might as well start learning about it now.
  • It Does Not Solve All Problems Quantum computers really solve problems that can only be solved using algorithms developed specifically for these machines. When dealing with big data, classical computers are great because they use algorithms that work for any type of computer. As long as they are given enough time to calculate things, they are good at it. But when you create algorithms for quantum computers, they can run much faster than classical ones. But while quantum computers can solve some types of problems, they cannot solve others. If you need to find the prime factors of an extremely large number, quantum computers would not be able to help you out.
  • It Is Very Expensive You need a lot of qubits to make quantum computers powerful, and right now, nobody knows how to build them inexpensively. Right now, building a powerful quantum computer probably costs hundreds of millions of dollars. While quantum computers may soon be commonplace, it’s still not going to happen anytime soon.
  • It Is Not Familiar To Most People Most people don’t even know what a qubit is, let alone how it works. If you want to learn about quantum computing, you will need to study the theory behind it first. You won’t even understand half of what you read until you have studied the basics first.
  • It Will Take A Long Time Before It Becomes Useful This could take years. The technology is still being developed and improved. There is no set timeline yet for when quantum computers will be practically useful.

Conclusion

In this article i talked about Quantum Computing. Quantum Computing is a amazing concept then will increase performance to 100 times. If you like this article share it with your friends and if you have any further queries then just comment below.


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Ankush Sheoran
Hey, I am Ankush Sheoran currently working on TheTechnoBug as a content Creator. I am from Hisar, Haryana. There is nothing much to tell about education. According to me " Learning skills is necessary as well as Education". Appart from content writing i have interest in Cyber Security.

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