+ × = + + + = ( ) . . Octal Number System Octal number system uses digits , , , , , , and ( digits). Each octal digit has its own positional value or weight as a power of .
Example The Octal sequence ( ) has the decimal equivalent: ( ) = × + × + × = × + × + × = + + = ( ) . . Hexadecimal Number System A hexadecimal number is represented using base . Hexadecimal or Hex numbers are used as a shorthand form of binary sequence.
This system is used to represent data in a more compact manner. Since symbols are used, to F, the notation is called hexadecimal. The first symbols are the same as in the decimal system, to and the remaining symbols are taken from the first letters of the alphabet sequence, A to F, where A represents , B is , C is , D is , E is and F is . Table .
Binary, Octal, Hexadecimal equivalent of Decimal Numbers Decimal Binary Octal Hexadecimal A B C D E F Example The hexadecimal sequence ( ) has the decimal equivalent: ( ) = × + × = + = ( ) Workshop . Identify the number system for the following numbers S. No. Number Number system ( ) Decimal Number system ( ) ( ) ( ) ( ) .
State whether the following numbers are valid or not. If invalid, give reason. S.No. Statement Yes