TY - BOOK AU - Williams,Brian K. AU - Sawyer,Stacey C. TI - Using information technology: a practical introduction to computers & communications : complete version SN - 0072398035 (pbk.) AV - QA76.5 .W5332 2001 U1 - 004 21 PY - 2001/// CY - Boston PB - McGraw-Hill KW - Computers KW - Information technology KW - Telecommunication systems N1 - Includes bibliographical references and index ER -