བརྡ་དབྱངས། (pronounced something like “da chang”) of course. Here’s a terrific website for learning Tibetan – the primary audience is Tibetan educators and students. It has a English – Tibetan dictionary, grammar book, unicode font and keyboard, and many more resources.
And one more question, how do you say about memory card? དྲན་ཤོག (tren shok).