Yes, and copyright is controlled by the Wikimedia Foundation, BUT all of Wikipedia is made available with a Creative Commons Attribution Share Alike 3.0 Unported License (CC-BY-SA), which allows free copying, distribution, adaptation, and commercial use without further permission, as long as you properly attribute the content and release it under the same license.
No. You could copyright a drawing or photograph of the logo but the logo itself would have to be protected as a trademark.
Yes.
Individual words are not protected by copyright.
Once a work of sufficient originality is fixed in a tangible medium, it is automatically protected by copyright.
Yes. All of the photos taken in the movie are protected by copyright.
Short phrases cannot be protected by copyright, but there are several registered trademarks for that phrase.
Yes; architectural works are protected.
The 1952 movie is protected by copyright, and will likely be protected through 2047.
The physical tape is not protected by copyright; the content on it probably is. Commercially produced tapes are certainly protected.
People cannot be protected by copyright.
It can be. Notification is not required for protection.
The content of a presentation is protected by copyright as soon as it is "fixed."