Question

which of the following is not an example of positional number system?

• A. Roman
• B. binary
• C. octal
• D. Hexadecimal

Answer 1

Answer:

A. Roman

• Positional number system 

  • There are four types of positional number systems
    •  Binary 
    • Octal 
    • Decimal 
    • Hexadecimal

  Binary number system 

  • The digits used in the binary number system are 0 and 1.  
  • The base of this number system is 2
    • Ex : 10(2). 1001 (2)