지난 60여 년간은 고전정보에 기반한 통신, 저장, 처리 능력이 비약적으로 발전하였다. 이 과정에서 가장 많이 사용된 방법은 정보소자의 크기를 감소시키는 방법이었는데, 이러한 접근법은 최근에 그 한계에 도달하고 있다. 이러한 한계를 극복하기 위해서 다양한 접근법이 연구되고 있으며, 궁극적으로는 양자역학적 현상에 기반하는 양자정보가 사용될 것으로 예상된다. 양자정보는 크게 계산성과 보안성을 향상시키는데, 이에 따라서 향후 ICT 전반에서 많은 변화가 생길 것으로 예상된다. 본고에서는 특히 양자정보에 기반한 양자컴퓨팅을 중심으로, 양자정보의 발현과 관련한 역사적 흐름, 양자정보에 기반한 정보처리의 핵심요소, 양자컴퓨팅 구현 방법론, 양자컴퓨팅 활용 방법론, 현재의 기술수준을 소개한다. 마지막으로 ICT의 경제의존도 및 사회몰입도가 높은 우리나라가 이러한 ICT패러다임의 전환기에서 과연 무엇을 어떻게 준비해야 하는지도 살펴본다.
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