No, this is false.
Just because you are using your own words does not mean that you're not copying or stealing the ideas of others. So even if you paraphrase, you should give the source of the idea. In general it's always good to give a reference - I don't think that it is ever a bad thing, so you can do nothing wrong if you do it!
Answer:
I believe the answer is that the sentence as correct as it is.
I hope I helped, please correct me if I'm wrong though!
B. there is a simile to help the reader visualize what the device looks like.
Answer:
b
Explanation:it make alot of sense