00642nam a22002172  45000010011000000030004000110050017000150080041000320200015000730400015000880500026001031000023001292450112001522500014002642600035002783000017003136500015003306500028003456500031003737000020004040000023626OSt20210420153710.0130312s         xx           000 0 eng d  a1259255662  aKABUcKABU  aQA76.5b.W55 2015 c.11 aWilliams, Brian K.10aUsing information technology :ba practical introduction to computers & communications /cBrian K. Williams  a11th  ed.  aNew York :bMcGraw-Hill,c2015  axxxii, 588p. 0aComputers. 0aInformation technology. 0aTelecommunication systems.1 aStacy C. Sawyer