1 The managers of a company are concerned about illegal parking in their car park. Drivers are parking their cars in the private car park and then walking to the local football match. There have been a few instances of damage to employees' cars. A decision has been made to install a number plate recognition system and barrier so they can control cars entering and leaving the car park. Anyone visiting the company will need to register their car's number plate with the receptionist prior to their visit. a Explain how this system could check that a car approaching the barrier had been registered with the receptionist beforehand. b After a visitor parks their car, they have to report to the receptionist. They are then given a badge which contains an RFID tag. The chip in this tag is read to allow the visitor access to certain floors in the building. Prior to this electronic system, badges contained a barcode. Discuss the advantages and disadvantages of using RFID chips rather than barcodes on visitor's badges. c The company would like to offer visitors access to their facilities, such as the restaurant, coffee shop and gift shop. Before arriving. at the company, visitors are sent a QR code which they can download to their smartphone. Describe how the visitor could use a QR code to find out more about the company. d Payment at the restaurant is made using an NFC-enabled smartphone. Explain: i what is meant by NFC ii how the smartphone can be used to make payments.
