TY - BOOK AU - Tokheim,Roger L. TI - Schaum's outline of theory and problems of digital principles T2 - Schaum's outline series SN - 0070650128 (pbk.) U1 - 621.3815 22 PY - 1988/// CY - New York PB - McGraw-Hill KW - Digital electronics N1 - Spine title: Digital principles; Includes index ER -