# Physical layer services & hardware protocols [closed]

I am searching the content of this topic but I am not sure what should be the content for this topic. This is relate to Computer Network. My topic is Physical layer services & hardware protocols.

What should be content for this topic.

• I don't understand the question. If you don't know what your topic is, why are you interested in it? If someone told you to look it up, ask them for guidance. – Yuval Filmus Jan 18 '14 at 5:03
• I am not getting content for this topic So I am asking this. – xrcwrn Jan 18 '14 at 5:06
• Get the relevant buzzwords or introductory references from your teacher; this is not the place to rehash an entire field. – Raphael Jan 18 '14 at 12:17