{"id":12973,"date":"2023-07-10T10:30:02","date_gmt":"2023-07-10T05:00:02","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=12973"},"modified":"2025-04-01T23:17:16","modified_gmt":"2025-04-01T17:47:16","slug":"what-is-quantum-computing-2","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-quantum-computing-2\/","title":{"rendered":"What is Quantum Computing?"},"content":{"rendered":"<h2><strong>About Quantum Computing:<\/strong><\/h2>\n<ul>\n<li>It is an area of computer science that <strong>uses the principles of quantum theory.\u00a0<\/strong><\/li>\n<li><strong>Quantum theory explains the behavior of energy and material on the atomic and subatomic levels.<\/strong><\/li>\n<li>Quantum computers have the <strong>capability to sift through huge numbers of possibilities<\/strong> and <strong>extract potential solutions to complex problems<\/strong> and challenges.\u00a0<\/li>\n<li><strong>How does it work?<\/strong>\n<ul>\n<li>Where classical computers <strong>store information<\/strong> as bits with either 0s or 1s, <strong>quantum computers use qubits.<\/strong><\/li>\n<li>While <strong>classical bits always represent either one or zero<\/strong>, a <strong>qubit can be in a superposition of one and zero simultaneously<\/strong> until its state is measured.<\/li>\n<li>In addition, the <strong>states of multiple qubits can be entangled<\/strong>, meaning that they are linked quantum mechanically to each other.\u00a0<\/li>\n<li><strong>Qubits can be made by manipulating atoms, electrically charged atoms called ions, or electrons, or by nanoengineering so-called artificial atoms<\/strong>, such as circuits of superconducting qubits, <strong>using a<\/strong> <strong>printing method called lithography.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>What is Superposition and Entanglement?<\/h3>\n<ul>\n<li>They are two features of quantum physics <strong>on which quantum computing is based<\/strong>.\u00a0<\/li>\n<li>They <strong>empower quantum computers to handle operations at speeds exponentially higher<\/strong> than conventional computers <strong>and with much less energy consumption.<\/strong><\/li>\n<li><strong>Superposition<\/strong>:<\/li>\n<li><strong>A qubit places the quantum information<\/strong> that it contains <strong>into a state of superposition.\u00a0<\/strong><\/li>\n<li>This refers to a <strong>combination of all possible configurations of the qubit.\u00a0<\/strong><\/li>\n<li><strong>Groups of qubits in superposition can create complex, multidimensional computational spaces.\u00a0<\/strong><\/li>\n<li>Complex problems can be represented in new ways in these spaces.<\/li>\n<li><strong>Entanglement<\/strong>:\n<ul>\n<li><strong>Pairs of qubits<\/strong> <strong>can be made to become entangled.\u00a0<\/strong><\/li>\n<li>This means that the t<strong>wo qubits then exist in a single state.\u00a0<\/strong><\/li>\n<li><strong>In such a state, changing one qubit directly affects the other<\/strong> in a manner that&#8217;s predictable.<\/li>\n<li><strong>Quantum algorithms are designed to<\/strong> <strong>take advantage of this relationship<\/strong> to solve complex problems.\u00a0<\/li>\n<li>While doubling the number of bits in a classical computer doubles its processing power, <strong>adding qubits results in an exponential upswing in computing power and ability.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>Q1)\u00a0What is Quantum Physics?<\/p>\n<p>Quantum physics is the study of matter and energy at the most fundamental level. It aims to uncover the properties and behaviors of the very building blocks of nature.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/microsoft-topological-quantum-computer-majorana-zero-modes\/article67053462.ece\" target=\"_blank\" rel=\"nofollow noopener\"><u>Explained | What is Microsoft\u2019s planned \u2018quantum supercomputer\u2019?<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quantum Computing is an area of computer science that uses the principles of quantum theory.<\/p>\n","protected":false},"author":5,"featured_media":12974,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-12973","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/12973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=12973"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/12973\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/12974"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=12973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=12973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=12973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}