What is the X in X-mas?
computer language, 1964, initialism for Beginners' All-purpose Symbolic Instruction Code; invented by Hungarian-born U.S. computer scientist John G. Kemeny (1926-1992) and U.S. computer scientist Thomas E. Kurtz (b.1928).
basic ba·sic (bā'sĭk)
Of, being, or serving as a starting point or basis.
Producing, resulting from, or relating to a base.
Containing a base, especially in excess of acid.
Containing oxide or hydroxide anions.