00719nam a2200241Ia 450000500170000000800410001724501140005810000230017270000220019526000530021730000250027030000110029550000190030602000210032565000140034665000300036065000270039005000130041754600120043033600090044233700150045133800110046620260803094004.0251212s2010    xx            000 0 und d1 aUsing information technology : ba practical introduction to computers & communications /cBrian K. Williams.  aWilliams, Brian K.  aSawyer, Stacey C.  aNew York :bMcGraw-Hill Higher Education,c2010.  axxiv, 563 p. : ill.:  c28 cm.  aIncludes index  a978-007-131142-7  aComputers  aTelecommunication systems  aInformation technology  a004 W66u  aEnglish  aText  aUnmediated  aVolume