You can use your iPad as a second monitor with a Mac or Windows computer. Apple has a built-in solution called Sidecar for Macs and iPads, but there are third-party apps for Windows computers. Here’s ...

Berlin (dpa) — Whether you work on a desktop PC or a laptop, a second screen can often be of help. But before you go and buy a monitor, have you considered using your tablet? This can add extra real ...