Google is the latest to back a trend to shrink the computer down to a sub-$100 chocolate bar-sized dongle.

The web giant is partnering with ASUS to create the Chromebit – a new class of Chromebook described as a "full computer that will be available for less than $100."

"By simply plugging this device into any display, you can turn it into a computer," Google said in a brief blog post.

ASUS provided more specs: it's to be powered by a Rockchip quad-core ARM processor, and will come with dual-band wifi 802.11ac and Bluetooth 4.0 support – likely to connect peripherals.

Techcrunch reported it would have 2GB of RAM and 16GB of eMMC flash storage, while Mashable said it would come with two ports: HDMI to connect to a screen, and a USB 2.0 port for power.

One of the nifty features of the ASUS device is a built-in swivel that allows the user to connect to even hard-to-reach HDMI ports, Gizmodo reported.

Apart from upgrading the desktop tower of an old PC at home, several other use cases were discussed at an event at Google HQ. They include using Chromebits to run terminals in an internet café, to power digital signage or to be supplied to school students, though Google is also keen to see other use cases emerge.