Binary and Decimal number conversion practice

 153 =  1    0    0    1    1    0    0    1 
       ---  ---  ---  ---  ---  ---  ---  ---  
       128   64   32   16   8    4    2    1 

       2^7  2^6  2^5  2^4  2^3  2^2  2^1  2^0 

We must be skillful enough about conversions between binary and decimal number when we are learning IP address and subnet mask writing. It would be especially helpful if we have a self-practice environment.

I found a site via Google. I think this is the environment I want!

Decimal/Binary Conversion Quiz


In addition, the following videos tell us very clearly about how to do the conversion between binary and decimal number (much better than I do!). Enjoy yourself!

Binary to decimal number conversion:



Decimal to Binary number convertion: