Cache memory is best defined as which of the following?
- A. A small, high-speed memory layer that stores frequently accessed data to reduce access time. ✓
- B. A type of non-volatile storage that can be electrically erased and reprogrammed, used in SSDs and USB drives.
- C. A storage technology that uses laser light to read and write data on discs such as CDs and DVDs.
- D. A storage technology that records data using magnetized patterns on a surface, such as hard disk platters.
Correct answer
A. A small, high-speed memory layer that stores frequently accessed data to reduce access time.
Explanation
Cache memory refers to a small, high-speed memory layer that stores frequently accessed data to reduce access time.