Which of these can I replace?

In the age of smartphones, many gadgets now have internet connectivity.

But, like many other gadgets, you’re unlikely to have a single-use device like an iPad, phone or camera.

Instead, you’ll want to have multiple different devices for different tasks.

In that case, you may want to consider a device that works as both a home computer and a mobile device.

Here are three of the most common home-computer accessories that can do just that.