A PMP is a device that is only capable of playing digital audio and video.
A. 对
B. 错
Flash-based players are consumer electronics which are solid state and have moving parts.
A. 对
B. 错
Compared to a hard drive, solid-state storage is smaller and lighter.
A. 对
B. 错
A CD can hold as much data as you want.
A. 对
B. 错