Yes; the original text of the Berne Convention drew the conclusion from Locke's second treatise that when you put part of yourself into a creative work, it becomes part of you.
You sure can copyright a book. The only thing that can't be copyrighted are things that were written a long time ago - these are considered to already be in public domain.
The code is protected as a literary work.
Software is protected by copyright as a literary work.
A website is considered a "literary work" under copyright law.
In the US, computer code is broadly characterized as a literary work, and as such can be protected by copyright.
Software is protected by copyright (as a "literary work"), but can also receive a patent if it is exceptionally innovative.
In Canada software is protected as a literary work under the Copyright Act of Canada. Copyright is acquired automatically when an original work is generated, the creator is not required to register or mark the work with the copyright symbol in order to be protected.
A poem is considered a form of literary work and is protected under copyright law as a creative expression of ideas and emotions. The specific arrangement of words and unique structure of the poem are what is protected, rather than the ideas or themes themselves.
Yes; computer code is protected as a "literary work."
Yes; code is protected as a literary work. Particularly innovative code may also be patented.
Not by name, but multimedia projects have been protected in other categories for decades. Computer code, for example, is protected as a literary work.
Once a work of sufficient originality is fixed in a tangible medium, it is automatically protected by copyright.
Computer code is protected as a "literary work," and (as a corporate work) would be protected for 95 years from release. Code is often patented as well; patent protection would last 20 years.