TY - BOOK AU - Leeson,Marjorie TI - Computer information: a modular system SN - 0574217207 : AV - QA76.5 .L434 1985 U1 - 001.64 19 PY - 1985/// CY - Chicago PB - Science Research Associates KW - Electronic digital computers KW - Microcomputers KW - Electronic data processing KW - System design N1 - Includes index ER -