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Why Retailers Need Computers
Approaches to the Integration of Retail Information Systems
Symbiotic Retail Systems
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acoustic coupler adding machine alphanumeric alphanumeric keyboard applications ASCII automatically badge reader bits per second capability card reader cash register central computer characters Colorado Instruments columns communications line communications processor computer system configuration connected control keys credit card credit verification data collection systems data communications data entered data entry data input data processing data recording data set designed device digits disk display encoded equipment error Friden functions input stations input units input/output interface inventory data journal tape keys machine-readable medium magnetic tape manual mdts minicomputer numeric keyboard on-line on-line system operation optical character recognition output pos registers pos systems printed printer punched cards puter Registron reporting retail information system sales check salesperson scanner storage store and forward subtotal switch tab cards telephone lines tion Touch-Tone tradar trans transaction data Transaction Systems transaction type transmission transmitted uni-tote