A. Differentiate among ring, star, bus and hybrid topology with the help of diagrams. B. What do you understand by positional number system and why is it called a positional system? C. What are the...

B. What do you understand by positional number system and why is it called a positional

system? C. What are the different types of positional number systems? Which of the positional systems is mostly used by the computer systems? D. Explain the different technical terms associated with the binary system.