medium · GMAT Verbal
A quantum-computing firm claims its new chip will soon beat classical supercomputers on useful problems, citing its raw qubit count, which now exceeds that of any rival. The firm concludes that surpassing classical machines is now simply a matter of adding more of these qubits.
Which of the following, if true, most weakens the argument?
- Rival firms have announced plans to build chips with even higher raw qubit counts.
- Classical supercomputers have themselves grown more powerful over the past several years.
- The firm's qubits are so error-prone that running a useful computation would require thousands of additional qubits to correct each one, far more than the chip can hold.
- The firm's chip consumes substantially more electricity than a comparable classical supercomputer.
- Useful quantum algorithms for some problems have not yet been discovered.
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