DDE - G9

What is the main purpose of DDE devices?

• To store data in a secure location
• To input data into a computer without human interaction
• To encrypt data for security purposes
• To transfer data from one computer to another

Which of the following is NOT a use of magnetic stripe readers?

• Transferring data from one computer to another
• Processing payments at ATMs
• Reading information on credit/debit cards
• Allowing entry to restricted areas

What is a potential risk associated with using contactless cards?

• The risk of the card being affected by oil or water
• The risk of the magnetic stripe getting damaged
• The risk of somebody observing your key strokes
• The risk of a thief monitoring the transaction

How does a contactless debit card work?

• By requiring the customer to enter a PIN
• By using a magnetic stripe to store data
• By connecting to the internet to process transactions
• By emitting radio waves to communicate with a payment terminal

What is the main disadvantage of OMR devices?

• They require user input
• They are expensive
• They require careful form design
• They are not accurate

What is the main advantage of OMR devices over OCR methods?

• They are faster
• They are more accurate
• They do not require careful form design
• They do not require user input

What are the two components of an RFID tag?

• A microchip and an antenna
• A barcode and an antenna
• A microchip and a barcode
• A battery and an antenna

What is RFID?

• A device that uses radio waves to jam or interrupt RFID signals
• A device that reads marks written in pen or pencil on a form
• A device that converts text on hard copy documents into an electronic form
• A device that reads and captures information stored on a tag using radio waves

What is the main advantage of RFID over barcode systems?

• It does not require scanning
• It can detect several tags at the same time
• It is cheaper
• It is more accurate

In what industry is RFID commonly used for livestock tracking?

• Theme parks
• Hotel room

• Retail
• credit cards