Explain an EE-related topic to a nonspecialist audience, using the appropriate toolsand techniques for explaining technical subjects to nonspecialists, and applying the principles ofclear, accessible, and noise-free writing.
Explain the following two topics to an undergraduate student majoring in mechanical engineering:
1. Explain what mp3 compression is and what it is used for. （one paragraph 300 words)
2. Explain the differences between the various types of memory devices used in computers. (one paragraph 300 words)
Audience is the most important for this assignment. Please make sure they can easily understand what you are writing. Explain any concepts they may not be familiar with.