0 votes 0 votes How to check whether there is overflow in n-bit parallel adder? Digital Logic adder + – aditi19 asked Aug 3, 2018 aditi19 463 views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply Shaik Masthan commented Aug 3, 2018 reply Follow Share is overflow depends up on the type of Adder? 0 votes 0 votes aditi19 commented Aug 3, 2018 reply Follow Share no my question is how to detect overflow in parallel adder 0 votes 0 votes Mk Utkarsh commented Aug 4, 2018 reply Follow Share by overflow you mean when value of $C_n = 1$ for checking you need to apply same equation as carry look ahead generator which is, $C_n = G_{n-1} + P_{n-1}C_{n-1}$ or just add both the binary numbers. 0 votes 0 votes aditi19 commented Aug 4, 2018 reply Follow Share then how does ALU detects overflow? 0 votes 0 votes Mk Utkarsh commented Aug 4, 2018 reply Follow Share aditi19 what is your doubt exactly? 0 votes 0 votes aditi19 commented Aug 4, 2018 reply Follow Share how will the processor know that on adding two binary numbers an overflow has occurred? 0 votes 0 votes Shaik Masthan commented Aug 5, 2018 reply Follow Share check this https://gateoverflow.in/229829/%23number-system moreover you added parallel adder in your question, that's why i commented that " is overflow depends up on the type of Adder? ", Actually overflow doesn't depend upon type of adder, it's depend upon no.of bits 2 votes 2 votes aditi19 commented Aug 5, 2018 reply Follow Share thank you 0 votes 0 votes Please log in or register to add a comment.