Sure. Easy enough. But this sounds like homework or an interview question. Please let us know what you've done to find this out so far.
For example, what have you looked up in Books Online on the subject? Or another reference?
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
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"Nobody knows the age of the human race, but everyone agrees it's old enough to know better." - Anon