00000nam 2200000 4500 INLIS000000000000086 20220716115857.0 220716||||||||| | ||| |||| ||eng|| 0010-072200000000086 256091315 eng 4 004 FLO E Floyd, Nancy A. Essentials of information processing Homewood: Irwin, 1991 xix, 394 hlm. : ilus.; 23 cm. Electronic Data Processing