Which of the Following Statements Is True of Flash Memory

Which of the following statements is true of flash memory media?

A) Data are recorded by a laser in this type of media that alters light-sensitive dyes within the disk.
B) The absence of moving parts or sensitive surfaces makes this type of media relatively less vulnerable to damage.
C) Data are stored by altering the magnetic polarity of chips.
D) The recording process introduces the possibility of mechanical failure in this type of media.