Your new PC costs 35$.

Cost 35$ , CPU quad-core (Cortex A7 processor runs at 900MHz), one gigabyte of  RAM, size as a credit card. Welcome the new Raspberry Pi 2. Connect your television/monitor and run ARM GNU/Linux distributions, including Snappy Ubuntu Core, as well as Microsoft Windows 10. It is the perfect solution for computer labatories running LTSP solutions. Applications can run on a server with Raspberry Pi 2 terminals handling input and output.