00338nam a2200133   450000100060000000300030000600500170000900800410002603500190006703500180008605000260010424500480013026000260017820893UR20220427165032.0061103|||||||||||||||||||||||||||||||| d  a(janium) 20882  a(janium)20881 4aQA76.5b.U52 1986 v.610aUnderstanding computersb : speed and power  bTime Life Booksc1986