In Quantum Computing, the basic unit of information that can exist in multiple states simultaneously is called:

The correct option is Qubit.

Explanation:

In classical computing, the fundamental unit of information is a bit, which can exist in one of two binary states: 0 or 1.

In quantum computing, the basic unit of quantum information is called a qubit (short for quantum bit). Unlike a classical bit, a qubit can exist in a state of 0, 1, or any quantum superposition of both states simultaneously, thanks to the principle of quantum superposition.

Let us briefly review the other choices to understand why they are not correct:

• Bit: The basic unit of information in classical computing, constrained to a state of either 0 or 1.

• Logic Gate: An elementary building block of a digital circuit that performs logical operations on inputs.

• Transistor: A semiconductor device used to amplify or switch electrical signals and power, serving as a physical building block for classical computing circuits.