The best awnser is D but A is also doable
Answer:
See explaination
Explanation:
Somehing is considered functional dependent (FD) if a relationship between two attributes, typically between the PK and other non-key attributes within a table. For any relation R, attribute Y is functionally dependent on attribute X (usually the PK), if for every valid instance of X, that value of X uniquely determines the value of Y.
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Answer:
Computer memory is a generic term for all of the different types of data storage technology that a computer may use, including RAM, ROM, and flash memory. ... Another way that computer memory can vary is that some types are non-volatile, which means they can store data on a long term basis even when there is no power
Answer:
Smart
Explanation:
The RFID or the radio frequency identification is an electronic device that stores information electronically. It stores and makes available the information which is stored electromagnetically, once the user is authenticated.
This technology is implemented in market places and other individual activities. It is implemented in cards called smart card for ease of payment transaction and promote online commerce (e-commerce). It is also implemented in smartphones.
