Q. Which one of the following is correct regarding the Quantum Computing?

[A] Quantum computers use classical transistors but at a much smaller scale to achieve higher speed.

[B] Quantum computing eliminates the need for low temperatures and specialized hardware.

[C] Quantum algorithms always provide exact answers without any probability-based outcomes.

[D] Quantum computers use qubits which can exist in multiple states simultaneously due to superposition.

Answer: D
Notes:

Explanation – Qubits can exist in a superposition of states (both 0 and 1 simultaneously), enabling quantum computers to perform complex calculations much faster than classical computers. Microsoft has recently introduced a new chip called Majorana 1, which it claims brings quantum computing closer to reality.

Source: The Hindu

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