Quantum computing: An insider’s guide (free PDF)

Provided by: TechRepublic
Topic: Innovation
Format: PDF
Although the full potential of quantum computing may not be realized for several years, the promise of its capabilities is sparking numerous experimental initiatives. This ebook looks at what quantum computing is, the solutions it could enable, and where it may be headed.

From the ebook:
Quantum computers promise to solve tasks that would be impossible using conventional machines. But those benefits are still theoretical at present, with quantum computers lacking a sufficient number of processing units, known as qubits, and enough stability to do useful work.

Companies are going to huge lengths to build quantum computers, cooling devices to a few micro kelvins above absolute zero. But even then, challenges remain. While IBM has a 50-qubit prototype machine and Google a 72-qubit chip, both have their own roadblocks that prevent them from being truly useful devices at this moment.

Here is the expert view on what quantum computers will and won’t be able to do and the challenges we still face.

1. Quantum computers won’t replace classical computers
“Quantum computers will never be able to run the if/then/else type of logic that we’re familiar with with our traditional Von Neumann architecture computers, [where they are] sequentially going from step to step,” said Andy Stanford Clark, IBM CTO for UK and Ireland.

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