What characteristic distinguishes a smart card from a memory card?

• A. Storage capacity
• B. Ability to process data
• C. Size and shape
• D. Physical appearance

Answer: (B)

The distinguishing characteristic that sets a smart card apart from a memory card is its ability to process data. Smart cards are embedded with a microprocessor or a microcontroller that allows them to execute instructions and perform computations. This functionality enables smart cards to perform tasks such as data encryption, authentication, and secure transactions.

In contrast, memory cards are primarily designed for storing data without any processing capabilities. They act as storage devices and are used to save files, photos, music, and other digital content. The lack of a processing unit means that memory cards cannot carry out tasks or enforce security measures.

While storage capacity, size and shape, and physical appearance may vary between smart cards and memory cards, these factors do not define the core difference in their functionality. The ability to process data is what allows smart cards to be used in various applications that require a higher level of security and interaction beyond mere data storage.