Question: customer purchases? Multiple Choice Data backups that occur while items are being rung up Increased training on how to use POS systems Centralized mainframes that
customer purchases?
Multiple Choice
Data backups that occur while items are being rung up
Increased training on how to use POS systems
Centralized mainframes that allowed different cash registers to be connected to one network
The total button which automatically added up the amount owed for items purchased
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