Direct Data Entry (DDE) devices

Magnetic strip readers

Contactless card readers

Chip and PIN reader

ATM

EFTPOS

Security devices (building entry card)

Advantages

Fast data entry

Error-free

Secure

Robust

Disadvantages

Damaged strip

Need contact

Info not readable by human

Small purchase, No PIN

Use radio wave

Advantages

Faster

128-bit data encryption

Retailers - no access to customer credit card info

Disadvantage

Expensive

Data theft

Small transaction only

EFTPOS

Keypad to enter PIN

Advantage

PIN required - more secure

More robust than magnetic strips

Disadvantage

Fraud if PIN info stolen