Announced in CES, Intel launched Intel Compute Stick; it is thumbdrive-size computer that you could fit it in your pocket. All you need to do is to plug it into a HDMI port of the TV plus some other periherals
Priced at USD 149 on Amazon and a handful of retailers. This device is equipped with 2GB of RAM and 32GB of storage as well as the HDMI connection. There’s also a microSD card slot (for increased storage), a regular USB port, Wi-Fi, Bluetooth, a microUSB port to will power the PC and runs Windows 8.1.