Direct Data Entry and associated devices

What is the use of Magnetic Strip Readers?

• To track movement of animals

• To read data on magnetic stripes on cards

• To scan bar codes

• To process bank cheques

What is the advantage of using Chip and Pin Readers?

• Less secure than swipe and contactless methods

• The pin could be read by someone watching

• Fraudulent machines cannot copy card details

• Chip is less likely to be damaged compared to magnetic swipe

What is the main disadvantage of Contactless Cards Readers?

• Don't have to use PIN

• Transaction data is encrypted

• Quicker transaction

• Less secure than chip and pin method

How does RFID technology work?

• By reading magnetic stripes on cards

• By scanning bar codes

• By using radio waves to read information stored on tags

• By manually typing data

What is the benefit of using RFID technology in a washing machine?

• Cannot set wash cycle automatically

• Prevents material from being incorrectly washed

• Allows manual data entry

• Requires more water usage

What is the advantage of using MICR for processing bank cheques?

• Characters can be altered

• Noneed to manually enter text

• More expensive than using a keyboard

• Limited amount of characters can be read

What is the drawback of using OMR for scanning exam papers?

• Suitable for text input

• Marks may not be read correctly if not filled in dark enough

• Less chance of errors

• Forms do not need to be completed correctly

Where is OCR commonly used?

• At airports for tracking luggage

• For scanning text from books

• For processing bank cheques

• For scanning bar codes

What is the main advantage of using Barcode Scanners?

• Barcode could be unreadable or missing

• Barcode could be swapped

• Can be an expensive system

• Stock database can easily be updated with new prices

What is the advantage of using mobile phones for payments in stores?

• Need to remember a PIN code

• No need for new equipment in stores

• Less prone to damage

• Requires physical presence of credit card