TY - BOOK AU - Walsh,Myles E. TI - Understanding computers: what managers and users need to know SN - 0471081914 AV - QA76.5 .W285 U1 - 001.64/2 19 PY - 1981/// CY - New York PB - Wiley KW - Electronic digital computers N1 - "A Wiley-Interscience publication."; Includes index ER -