Interactive computer kiosks comprising computers, computer hardware, computer peripherals, and computer operating software, for use in self-ordering in the field of restaurants, restaurant drive-through, and restaurant takeout; Electronic equipment for point-of-sales (POS) systems, namely, point-of-sale terminals, bar code readers, optical readers, advertisement display monitors, keyboards, printers, scanners, radio transmitters, radio receivers, computer hardware, and computer operating software; Point of sale software for retail store, hospitality, restaurant, bar and cafe sales management, payment processing, customer relationship management, inventory control, accounting and cash drawer management; Electronic machines for reading credit cards and recording financial operations; Personal digital assistants (PDA); Electronic readers and controllers for controlling access to a premises; Electronic tags for goods; Closed circuit television cameras; Handheld computers; Data gloves