TY - BOOK AU - Morley,Deborah AU - Parker,Charles S. TI - Understanding computers: today and tomorrow SN - 1603340122 (pbk. : ISE) U1 - 004 PY - 2009/// CY - Boston, Mass. PB - Course Technology/Cengage Learning KW - Computers KW - Electronic data processing N1 - "Comprehensive." ER -