Round 8: Tossup 14

Bit-flip and sign-flip codes are used in a form of “error correction” described by this adjective, which reduces information loss caused by decoherence. Hartmut Neven names a doubly exponential law for devices described by this adjective and oversaw a 2019 experiment at Google that claimed its namesake “supremacy.” Devices described by this adjective (15[1])can perform (15[1])prime factorization using (*) Shor’s algorithm much quicker than their classical counterparts. (10[1])This adjective describes machines that use units of information that can (10[1])be entangled or exist in superposition. For 10 points, what adjective names a computing paradigm based on qubits? ■END■ (0[1])

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