What is a CPU? A guide to the 'brain' of your computer or phone, including how it works

A CPU, or central processing unit, is a vital part of your computer or phone, and is responsible for executing every command ...

How the internet and Wi-Fi work: A guide to connections, data and the cloud

Your internet service provider (ISP) brings the internet into your home through a modem. A router then converts that signal ...
Hosted on MSN

Security keys versus passwords on your computer: Which works better for you?

Kept seeing mention of a security “key” offered on some of my favorite websites—Microsoft, Google, YouTube and Facebook, to name a few. I wasn’t sure if I should use it. How does it work? Is it a real ...
The Conversation

2025 will see huge advances in quantum computing. So what is a quantum chip and how does it work?

Muhammad Usman receives funding from the Australian Defence and Australian Army. In recent years, the field of quantum computing has been experiencing fast growth, with technological advances and ...
Dallas Morning News

Security keys versus passwords on your computer: Which works better for you?

Dave Lieber I was confused. Kept seeing mention of a security “key” offered on some of my favorite websites—Microsoft, Google, YouTube and Facebook, to name a few. I wasn’t sure if I should use it.