Quantum computers are an innovative technology that can handle complex problems that conventional computers cannot solve, and are opening up new horizons in information technology (IT). We explain in a way that is easy for the general public to understand how they differ from conventional computers and why they are attracting attention.
What is a quantum computer? A quantum computer works in a completely different way than a conventional digital computer. A conventional computer processes information using a binary system of 0 and 1. These are called **bits**. However, a quantum computer uses a quantum bit called **qubit**. A qubit has a superposition state that can express 0 and 1 at the same time.
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[Korean Today] Quantum Computer © Reporter Park Jeong-hee |
Simply put, while conventional computers solve problems one at a time, quantum computers can calculate multiple problems simultaneously. This difference allows quantum computers to process massive amounts of data quickly and excel at solving complex problems.
Where will it be used? Quantum computers have the potential to drive innovation in a variety of industries. Pharmaceutical development Quantum computers can be used to accurately analyze molecular structures and design drugs. This is expected to dramatically shorten the time it takes to develop new drugs. Finance Ultra-high-speed computing capabilities can be used to optimize investment strategies, analyze financial risks, and more. They can help solve global environmental problems by predicting climate change and processing large-scale environmental data. Quantum computers can quickly crack existing encryption systems, but conversely, they can also develop quantum cryptography technology to further strengthen security.
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[Korean Today] Quantum Computer © Reporter Park Jeong-hee |
How advanced are quantum computers? Currently, quantum computers are in their early stages. Global companies such as IBM, Google, and Microsoft are leading the research, and some quantum computers are already being used for research purposes. In 2019, Google announced that its quantum computer completed a calculation that would take 10,000 years with a conventional supercomputer in 200 seconds, drawing worldwide attention. However, there are many challenges that need to be solved before this technology can be commercialized.
What does it mean to the average person? Quantum computers are still far from everyday life for the average person. However, they will become a key technology that will provide faster and more efficient internet, safer financial systems, and better medical technology in the future. For now, the development of quantum computers is having a big impact on research and industry rather than direct changes. However, as the technology matures, it will not be long before it brings revolutionary changes to our daily lives.
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[Korean Today] Quantum Computer © Reporter Park Jeong-hee |
How to prepare for quantum computers? As quantum computers become a reality, new skills and jobs will be needed. It is advantageous for young people and college students to be interested in mathematics, physics, and computer science and to study related technologies. It is also important for the general public to understand the basic concepts of quantum technology and recognize its potential.
Quantum computers are more than just faster computers; they are new tools that can solve complex problems that we have not been able to solve. Although it is still in its early stages, the changes this technology will bring have the potential to dramatically change our future.
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