TY - BOOK AU - Sawyer AU - Williams, Brian K. TI - Using information technology : a practical introduction to computers & communications : Introductory version SN - 0072882905 U1 - 004 SAW 2005 PY - 2005/// CY - Boston PB - McGraw-Hill Technology Education KW - Computers KW - Information technology KW - Telecommunication systems N1 - Includes index p.I1 - I13 ER -