00827cam a22002658a 450000100090000000300040000900500170001300800410003001000170007102000310008802000280011904000130014705000240016008200120018410000310019624501310022725000120035826000350037030000400040550000200044565000150046565000310048065000280051170000220053915513712OSt20210719121350.0081106s2010 mau 001 0 eng  a 2008048539 a9780073516752 (alk. paper) a0073516759 (alk. paper) aDLCcDLC00aQA76.5b.W5332 201000a0042221 aWilliams, Brian K.,d1938-10aUsing Information Technology :bA Practical Introduction to Computers & Communications /cBrian K. Williams, Stacey C. Sawyer. a8th ed. aBoston :bMcGraw Hill,cc2010. axxiv, 563 p. :bcol. ill. ;c28 cm. aIncludes index. 0aComputers. 0aTelecommunication systems. 0aInformation technology.1 aSawyer, Stacey C.