-Main devices : Tablets, Laptops or Desktops.
-Peripheral devices : receipt printer, Ink_jet printer, card reader.
-Internet connection : a wi_fi router or a modem with DSL service.
-Internet service : Cloud or Internet, based on management style, security and cost.
-Before using the system, the price data, tax data, employee data, and work schedule must be setup.
-All devices are to be fully charged to meet daily use.
-Cloud-based services : no need to backup or restore data.
-Internet-based services : requires regular backup and restore.