All About Network
Physical layer represents a media that using for data transport from source to destination. Data is converted to bit level and ready to transfer via a physical media. The data conversion to bit level is accomplished by network hardware and software on computer (or network device).
I want to mention that where the physical layer used in real life, so I don’t give theoretical information at this post.
Continue reading “Physical Layer – Two Example from Daily Life”
Unfortunately, I couldn’t understand the OSI Layers at University. I read our books and also our teachers said what the OSI is, but no one show me where the OSI using in real life. After I started my profession, I realize that how important is the understanding OSI model and get information about which layer is using where with hands on experiences.
We can say that OSI is explain us how data transfer one point to another and which stations pass during this transfer period. The transfer function can be easily understand with separating the transfer path at the 7 main layers.
We have to understand the meaning of 0 and 1s which are fundamentals of digital world and electronics for understanding networking basics.
It is hard to believe that, all digital inventions around us are created with using 1 and 0 s, but it is true!
We have an information and we need to transfer this information from one point to another. Despite the fact that the analog systems have been used before, nowadays all information is transferring with digitally. Transferring information with digitally means converting this information to representation of 0 and 1s.
Continue reading “Digital World – Binary and Decimal System”