Where are data and programs held when the processor actively uses them?

Explanation

The correct answer is Primary memory. This is where data and programs reside while the processor is working on them. Primary memory, also known as main memory, includes RAM (Random Access Memory) for temporary data storage and ROM (Read Only Memory) for permanent program storage. In contrast, auxiliary storage refers to devices like hard drives and USB drives used for long-term data retention. Program storage typically refers to ROM used for storing firmware, and cache memory is a small, faster type of memory used to speed up access, but not the main location for data and programs during processing.