基礎ict-u01-d01
RAM is best described as:
A. Volatile main memory whose contents are lost when the power is switched off✓ 答案
B. Permanent storage that keeps files after shutdown
C. An output device that prints documents
D. A network device that connects two LANs
解說
RAM holds programs and data while they are in use, and it loses them when power is removed. Anything that must survive a shutdown belongs in secondary storage such as an SSD.