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Published in:
2021 | OriginalPaper | Chapter
10. Conclusion
Author : Venkateswaran Kasirajan
Published in: Fundamentals of Quantum Computing
Publisher: Springer International Publishing
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Abstract
We have witnessed many technological revolutions, and we know that classical computing took more than seven decades to reach the current level. The first transistor was about our palm’s size, and we did not build a supercomputer with that. The first commercial device that rolled out with the transistor was a hearing aid. With quantum computing, we are somewhat in an early transistor-like period. The good thing is that we a handful of well-established quantum algorithms, and there are quantum devices currently available for experimentation.However, to the inquiring minds, there are some unanswered questions. The top three questions that come to our mind are—How many qubits do we need? Can fault-tolerant quantum computers of commercial-grade be ever built? What does the future hold? This concluding chapter tries to answer these frequently asked questions and sets up the directions for the readers.