What is a USB 'header' (and how is it different from a port)?

With the prevalence of USB devices, it might be easy to mix up USB headers and ports, but there is a key difference between ...

USB flash drives can work as extra RAM — here's how it works

But wait! You may find the problem eases if you have some extra RAM to hand and you don't need to spend a fortune. By turning a USB flash drive into virtual RAM, you can reduce your reliance on an ...