lottery terminal architecture

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I have seen many lottery terminals around me. I also know the
transaction supported by the terminals, but was wondering what is the
architecture of this lottery box?

This box I have seen has:
- Bar Code Scanner
- Thermal Printer
- An OCR scanner
- GPRS support
- Its mother board looks like any pentium II PC
- No HDD but flash ROM, SanDisk (128 MB)
- 128 MB RAM
- Plus, ALL other ports which a PC have like PS/2 COM LPT etc
- Above all, touch screen for interface (no kbd!)

Can anyone put some light on it!?

Thanx in Advance,

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