can i run terminals off this?

[Nickolp1974]

Hi i have a spare pc and i want to know if i can run dummy terminals off it(are they called a thin client?)

heres the spec of pc
Antec 1200 case, few marks, nothing to worry about
Asus P8 Z68-V/Gen3
Intel 2500K/stock cooler
8GB corsair vengence LP Blue
Nvidia 280GTX
Creative X-Fi platinum
OCZ Vetex 3 60GB
WD 1.5TB hdd
coolermaster 850w modular psu.
DVD rewritter

I have win 7 ultimate


looking to run 3 terminals, what OS do i need and what items do i need to make this work?

 

[Nickolp1974]

terminals have not been purchased yet, will just be used for light browsing, maybe word docs and browser games, so looking for the cheapest option.