HOW TO CONVER OCTAL NUMBER INTO DECIMAL NUMBER

 

Multiply each bit by 8n, where n is the “weight” of the bit

The weight is the position of the bit, starting from 0 on the right

Add the results

 

7248 =>  4 x 80 =     4
       2 x 81 =    16
       7 x 82 =   448          --------------------------                   46810

 

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HOW TO CONVERT A BINARY NUMBER INTO DECIMAL NUMBER

• Multiply each bit by 2n, where n is the “weight” of the bit 

• The weight is the position of the bit, starting from 0 on the right 

• Add the results

 

1010112 =>    

    1 x 20 =    1
  1 x 21 =    2
  0 x 22 =    0
  1 x 23 =    8
  0 x 24 =    0
  1 x 25 =   32

___________________________

               4310 

 

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