Answer:
Internet data transfer.
Explanation:
Optical fibre can be used to move information from one place to another. It is used in internet communications, cable television broadcasting, and telephone communication. One common application is for the transfer of data over the internet. Chances are your browser was able to download this web page by receiving data that came from Brainly's servers, and from my computer, through a fibre optic cable.
C. Provides an interface between user and OS.
The GUI, or Graphical User Interface, is just about everything you generally see with a common computer or smartphone. You rarely run an application or program from the command itself, as clicking an icon in the GUI runs the software for you.
Answer:
Bits
Explanation:
The protocol data unit is the representative unit of data in the OSI layer of a network. The OSI system has seven layers.
The physical layer is the first layer of the system and the protocol data unit is represented as bits of data.
Note that the term packet is the PDU for data in the network layer of the OSI network system.