00680nam a2200241Ia 4500003000900000005001700009008004100026020001800067040001000085050002100095100002300116245003500139245006400174245004600238250000800284260001100292260003300303260000900336300001600345650002800361650002700389700002200416KE-MeUCS20120106214813.0120305s9999    xx            000 0 und d  a9780070184992  cMUCST  aQA76.162.W5 2007  aWilliams, Brian K.  aUsing information technology :  ba practical introduction to computers and communicationsa   cBrian K. Williams and Stacey C. Sawyera   a8th  aBoston  bMcGraw Hill Higher Education  c2007  axxiv, 563p.  aComputer communications  aInformation Technology  aStacey, C. Sawyer