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GlossaryTechnology

Quantum computing

Computing that uses the principles of quantum physics to solve certain problems far faster than ordinary computers.

Also called quantum computerquantum computers

Why it matters

It could transform areas like chemistry and cryptography, though practical machines are still developing.

Quantum computing in the news

More Technology terms

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Operating system

The core software that runs a computer or phone and lets apps use its hardware, such as Android, iOS or Windows.

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Cloud computing

Delivering computing power, storage and software over the internet from large data centres, paid for as a service.

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Ransomware

Malicious software that locks or encrypts a victim's files and demands payment to restore access.

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Cybersecurity

The practice of protecting computers, networks and data from attacks, theft and damage.

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