A. What is the weight of digit 5 in the decimal number 9536? B. What is the 4-bit binary representation of the decimal number 12? C. Explain in detail the concept of hexadecimal system. D. Why are...

A. What is the weight of digit 5 in the decimal number 9536? B. What is the 4-bit binary representation of the decimal number 12? C. Explain in detail the concept of hexadecimal system. D. Why are binary codes used by computer systems E. What do you understand by digital codes? Explain the two different types of digital codes. F. Why are the number system conversions implemented in a computer system?