This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
The above explanation is fine but what if I want to try it out in a paper when I find similiar question on the exam? I remember learing binary to decimal conversion in my school days. So anyone please let me know the logic behind the conversion.