00398nam a2200157Ia 4500003000500000008004100005020001800046040001900064082000700083100001900090245007100109260002900180300001000209365000900219546001200228STCL221019s9999 xx 000 0 und d a9780615303765 aSTCLcSTCLbEN 222 aScott, Clark J 0aBut how do it know? the basic principles of computers for everyone bJohn C. ScottaUSAc2009 a216 p b1288 aEnglish