What’s a Qubit?

Most people don’t want to be the uncool one to raise their hand and ask a question, but in many cases we really should. These occasional “Raise Your Hand and Ask” posts highlight cool “buzzwords” you may have heard. My aim isn’t just to explain what they mean (that you can look up), but also why they matter.

You may have heard of quantum computing, and the related term qubit, but what is a qubit?

Wikipedia describes a qubit as the quantum analogue of the classical bit (can store a 0 or a 1).  In other words, normal computers have bits, and quantum computers have qubits (can be a 0 or a 1 or both at the same time per quantum mechanics!)

Read More at InfoWorld.com