What is the main difference between classical and quantum computers?

What is the main difference between classical and quantum computers?

a) Classical computers can solve more complex problems
b) Quantum computers use qubits, which can represent 0 and 1 simultaneously, whereas classical computers use bits that can only be 0 or 1
c) Classical computers work faster than quantum computers
d) Quantum computers do not use algorithms

Answer:

b) Quantum computers use qubits, which can represent 0 and 1 simultaneously, whereas classical computers use bits that can only be 0 or 1

Explanation:

Quantum computers use qubits that can exist in superposition, allowing them to perform many calculations simultaneously, unlike classical computers that use binary bits.

Reference:

Quantum Computing Quiz – MCQ Questions

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