Answer:
Database: An integrated collection of logically related records or files. A database consolidates records previously stored in separate files into a common pool of data records that provides data for many applications. The data is managed by systems software called database management systems (DBMS). The data stored in a database is independent of the application programs using it and of the types of secondary storage devices on which it is stored.
Answer:B
Explanation:Showing parts of a whole.
She uses the Radio-frequency identification(RFID) which is a technology that uses electromagnetic fields to automatically identify and track tags attached to objects.These tags contain electronically-stored information.the passive tags collect energy from a nearby RFID readers interrogating radio waves.They contain an integrated circuit and an antenna which are used to transmit data to the RFID reader also called an interrogator.
An array of floats that can hold up to 20.