... All in one touch PC 2.Single touch or multi-touch 3.IR touch screen monitor with pc 55'' All in one touch PC Technical Parameters ... disk Hitachi 320G; RAM Kingston/Samsung DDR3, 2GB.Operating system: Windows95/98/2000/NT/XP/LINUX/Win7, etc.Working ... .4. Widely used in government, financial institution, transportation, public system, shopping malls, hotels, airports, gas stations, stations, post offices ...